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The RPSRs vest if the applicable performance metric is satisfied for the relevant valuation of performance measurement period (\"measurement period\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RSPRs acquired include (i) 179 vested RPSRs with respect to the measurement period ended 12/31/20 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/13/18 that resulted in settlement at 105% of the target award; and (ii) 4,334 unvested RPSRs granted under the LTISP on 2/16/21 with a measurement period ending on 12/31/23.  A total of 3,759 shares were issued in settlement of the 2018 RPSRs with a measurement period that ended 12/31/20, and the target award amount of 3,580 RPSRs was previously reported in connection with the grant of the 2018 RPSRs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant valuation of performance measurement period (\"measurement period\")."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant valuation of performance measurement period (\"measurement period\")."}],"balance_after":16346,"derivative":{"underlying":"Common Stock","underlying_shares":4513},"source":{"system":"sec-edgar","filing":"0001225208-21-003989","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520821003989/doc4a.xml","form_type":"4/A","original_submission_date":"2021-02-18"}},{"id":2850972,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Stock Rights","published_at":"2021-02-19T01:42:41.000Z","date":"2021-02-16","kind":"exercise","acquired":false,"shares":1626,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/13/18 that vested on 2/16/21."}],"balance_after":5467,"derivative":{"underlying":"Common Stock","underlying_shares":1626},"source":{"system":"sec-edgar","filing":"0001225208-21-003094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520821003094/doc4.xml","form_type":"4"}},{"id":2850971,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Stock Rights","published_at":"2021-02-19T01:42:41.000Z","date":"2021-02-16","kind":"grant","acquired":true,"shares":1970,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock. The RSRs were granted under the LTISP on 2/16/21 and will vest on 2/16/24."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock. The RSRs were granted under the LTISP on 2/16/21 and will vest on 2/16/24."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock. The RSRs were granted under the LTISP on 2/16/21 and will vest on 2/16/24."}],"balance_after":7093,"derivative":{"underlying":"Common Stock","underlying_shares":1970},"source":{"system":"sec-edgar","filing":"0001225208-21-003094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520821003094/doc4.xml","form_type":"4"}},{"id":2850970,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2021-02-19T01:42:41.000Z","date":"2021-02-16","kind":"exercise","acquired":false,"shares":3759,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."}],"balance_after":12587,"derivative":{"underlying":"Common Stock","underlying_shares":3759},"source":{"system":"sec-edgar","filing":"0001225208-21-003094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520821003094/doc4.xml","form_type":"4"}},{"id":2850969,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2021-02-19T01:42:41.000Z","date":"2021-02-16","kind":"grant","acquired":true,"shares":4513,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."}],"balance_after":16346,"derivative":{"underlying":"Common Stock","underlying_shares":4513},"source":{"system":"sec-edgar","filing":"0001225208-21-003094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520821003094/doc4.xml","form_type":"4"}},{"id":2850968,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common 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stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/17/17 that vested on 2/18/2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes 1,527 RSRs granted under the LTISP on 2/12/20 that will vest on 2/13/23; 1,970 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22; and 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21."}],"balance_after":5123,"derivative":{"underlying":"Common Stock","underlying_shares":2296},"source":{"system":"sec-edgar","filing":"0001225208-20-002988","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002988/doc4.xml","form_type":"4"}},{"id":3259964,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN 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The vested award shares were valued based on the Company's closing stock price on February 18, 2020.  The shares will be distributed into the participant's account on February 19, 2020."},{"field":"shares","element":"transactionShares","label":"F3","text":"Shares surrendered to issuer in payment of tax liability in connection with vesting of RSRs in accordance with Rule 16b-3(e)."}],"balance_after":17204.6,"source":{"system":"sec-edgar","filing":"0001225208-20-002988","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002988/doc4.xml","form_type":"4"}},{"id":3259963,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2020-02-20T22:55:26.000Z","date":"2020-02-18","kind":"exercise","acquired":true,"shares":2296,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"In accordance with the terms of the 2011 Long-Term Incentive Stock Plan (\"LTISP\"), because the third anniversary of the grant (February 17, 2020) fell on a holiday, the award shares vested on February 18, 2020, the next business day.  The vested award shares were valued based on the Company's closing stock price on February 18, 2020.  The shares will be distributed into the participant's account on February 19, 2020."},{"field":"shares","element":"transactionShares","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/17/17 that vested on 2/18/2020."}],"balance_after":18271.6,"source":{"system":"sec-edgar","filing":"0001225208-20-002988","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002988/doc4.xml","form_type":"4"}},{"id":3271207,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Stock Rights","published_at":"2020-02-15T00:32:58.000Z","date":"2020-02-12","kind":"grant","acquired":true,"shares":1527,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/12/20 and will vest on 2/12/23."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/12/20 and will vest on 2/12/23."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/12/20 and will vest on 2/12/23."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Total amount includes 1,527 RSRs granted under the LTISP on 2/12/20 that will vest on 2/13/23; 1,970 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22; 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; and 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/18/20."}],"balance_after":7419,"derivative":{"underlying":"Common Stock","underlying_shares":1527},"source":{"system":"sec-edgar","filing":"0001225208-20-002422","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002422/doc4.xml","form_type":"4"}},{"id":3271206,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2020-02-15T00:32:58.000Z","date":"2020-02-12","kind":"exercise","acquired":false,"shares":6534.29,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/17/17 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/19.   RPSRs to be settled at 119% of target. The shares are anticipated to be distributed into the participant's account on February 14, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Total amount includes 3,605 RPSRs granted on 2/12/20 with a measurement period ending on 12/31/22; 4,648 RPSRs granted on 2/13/19 with a measurement period ending on 12/31/21; and 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20."}],"balance_after":11833,"derivative":{"underlying":"Common Stock","underlying_shares":6534.29},"source":{"system":"sec-edgar","filing":"0001225208-20-002422","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002422/doc4.xml","form_type":"4"}},{"id":3271205,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2020-02-15T00:32:58.000Z","date":"2020-02-12","kind":"grant","acquired":true,"shares":4648.29,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F6","text":"The RPSRs acquired include (i) 1,043.29 vested RPSRs with respect to the measurement period ended 12/31/19 acquired due to settlement of the 2017 RPSRs held at 119% of the target award and (ii) 3,605 unvested RPSRs granted under the LTISP on 2/12/20 with a measurement period ending on 12/31/22."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes 6,534.29 vested RPSRs granted under the LTISP on 2/17/17 with a measurement period ended on 12/31/19; 3,605 RPSRs granted on 2/12/20 with a measurement period ending on 12/31/22; 4,648 RPSRs granted on 2/13/19 with a measurement period ending on 12/31/21; and 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20."}],"balance_after":18367.29,"derivative":{"underlying":"Common Stock","underlying_shares":4648.29},"source":{"system":"sec-edgar","filing":"0001225208-20-002422","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002422/doc4.xml","form_type":"4"}},{"id":3271204,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2020-02-15T00:32:58.000Z","date":"2020-02-12","kind":"tax_withholding","acquired":false,"shares":2549,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares surrendered to issuer in payment of tax liability in connection with settlement of RPSRs in accordance with Rule 16b-3(e)"}],"balance_after":15975.6,"source":{"system":"sec-edgar","filing":"0001225208-20-002422","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002422/doc4.xml","form_type":"4"}},{"id":3271203,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2020-02-15T00:32:58.000Z","date":"2020-02-12","kind":"exercise","acquired":true,"shares":6534.29,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/17/17 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/19.   RPSRs to be settled at 119% of target. The shares are anticipated to be distributed into the participant's account on February 14, 2020."}],"balance_after":18524.6,"source":{"system":"sec-edgar","filing":"0001225208-20-002422","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002422/doc4.xml","form_type":"4"}},{"id":3629452,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-27T22:10:18.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":7207,"price":288.51,"value":2079291.57,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price of $288.51 rounded to the nearest hundredth.  The highest price at which the shares were sold was $288.99 and the lowest price at which the shares were sold was $288.11.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4."}],"balance_after":11990.31,"source":{"system":"sec-edgar","filing":"0001225208-19-003862","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003862/doc4.xml","form_type":"4"}},{"id":3629451,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-27T22:10:18.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":5703,"price":289.45,"value":1650733.35,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price of $289.45 rounded to the nearest hundredth.  The highest price at which the shares were sold was $289.91 and the lowest price at which the shares were sold was $289.01.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4."}],"balance_after":19197.31,"source":{"system":"sec-edgar","filing":"0001225208-19-003862","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003862/doc4.xml","form_type":"4"}},{"id":3629450,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-27T22:10:18.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":200,"price":290.08,"value":58016.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sale price of $290.08 rounded to the nearest hundredth.  The highest price at which the shares were sold was $290.12 and the lowest price at which the shares were sold was $290.04.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4."}],"balance_after":24900.31,"source":{"system":"sec-edgar","filing":"0001225208-19-003862","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003862/doc4.xml","form_type":"4"}},{"id":3629449,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-27T22:10:18.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":100,"price":287.97,"value":28797.0,"ownership":{"direct":true},"balance_after":25100.31,"source":{"system":"sec-edgar","filing":"0001225208-19-003862","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003862/doc4.xml","form_type":"4"}},{"id":3642348,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Stock Rights","published_at":"2019-02-21T22:22:21.000Z","date":"2019-02-19","kind":"exercise","acquired":false,"shares":2884,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/17/16 that vested on 2/19/19."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/17/16 that vested on 2/19/19."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes 1,970 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22; 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; and 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20."}],"balance_after":5892,"derivative":{"underlying":"Common Stock","underlying_shares":2884},"source":{"system":"sec-edgar","filing":"0001225208-19-003288","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003288/doc4.xml","form_type":"4"}},{"id":3642347,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-21T22:22:21.000Z","date":"2019-02-19","kind":"tax_withholding","acquired":false,"shares":1301,"price":287.35,"value":373842.35,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"In accordance with the terms of the 2011 Long-Term Incentive Stock Plan (\"LTISP\"), because the third anniversary of the grant (February 17, 2019) fell on a weekend, the award shares vested on February 19, 2019, the next business day.  The vested award shares were valued based on the Company's closing stock price on February 19, 2019.  The shares will be distributed into the participant's account on February 20, 2019."},{"field":"shares","element":"transactionShares","label":"F3","text":"Shares surrendered to issuer in payment of tax liability in connection with vesting of RSRs in accordance with Rule 16b-3(e)."}],"balance_after":25200.31,"source":{"system":"sec-edgar","filing":"0001225208-19-003288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003288/doc4.xml","form_type":"4"}},{"id":3642346,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-21T22:22:21.000Z","date":"2019-02-19","kind":"exercise","acquired":true,"shares":2884,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"In accordance with the terms of the 2011 Long-Term Incentive Stock Plan (\"LTISP\"), because the third anniversary of the grant (February 17, 2019) fell on a weekend, the award shares vested on February 19, 2019, the next business day.  The vested award shares were valued based on the Company's closing stock price on February 19, 2019.  The shares will be distributed into the participant's account on February 20, 2019."},{"field":"shares","element":"transactionShares","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/17/16 that vested on 2/19/19."}],"balance_after":26501.31,"source":{"system":"sec-edgar","filing":"0001225208-19-003288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003288/doc4.xml","form_type":"4"}},{"id":3654063,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Stock Rights","published_at":"2019-02-15T21:27:03.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":1970,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/13/19 and will vest on 2/13/22."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/13/19 and will vest on 2/13/22."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/13/19 and will vest on 2/13/22."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Total amount includes 1,970 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22; 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; and 2,884 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19."}],"balance_after":8776,"derivative":{"underlying":"Common Stock","underlying_shares":1970},"source":{"system":"sec-edgar","filing":"0001225208-19-002775","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002775/doc4.xml","form_type":"4"}},{"id":3654062,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2019-02-15T21:27:03.000Z","date":"2019-02-13","kind":"exercise","acquired":false,"shares":7308.25,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/17/16 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/18.   RPSRs to be settled at 115% of target. The shares are anticipated to be distributed into the participant's account on February 14, 2019."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Total amount includes 4,648 RPSRs granted on 2/13/19 with a measurement period ending on 12/31/21; 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; and 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19."}],"balance_after":13719,"derivative":{"underlying":"Common Stock","underlying_shares":7308.25},"source":{"system":"sec-edgar","filing":"0001225208-19-002775","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002775/doc4.xml","form_type":"4"}},{"id":3654061,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2019-02-15T21:27:03.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":5601.25,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F6","text":"The RPSRs acquired include (i) 953.25 vested RPSRs with respect to the measurement period ended 12/31/18 acquired due to settlement of the 2016 RPSRs held at 115% of the target award; and (ii) 4,648 unvested RPSRs granted under the LTISP on 2/13/19 with a measurement period ending on 12/31/21."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes 7,308.25 vested RPSRs granted under the LTISP on 2/17/16 with a measurement period ending on 12/31/18; 4,648 RPSRs granted on 2/13/19 with a measurement period ending on 12/31/21; 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; and 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19."}],"balance_after":21027.25,"derivative":{"underlying":"Common Stock","underlying_shares":5601.25},"source":{"system":"sec-edgar","filing":"0001225208-19-002775","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002775/doc4.xml","form_type":"4"}},{"id":3654060,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-15T21:27:03.000Z","date":"2019-02-13","kind":"tax_withholding","acquired":false,"shares":2778,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares surrendered to issuer in payment of tax liability in connection with settlement of RPSRs in accordance with Rule 16b-3(e)"}],"balance_after":23617.31,"source":{"system":"sec-edgar","filing":"0001225208-19-002775","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002775/doc4.xml","form_type":"4"}},{"id":3654059,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Off"}}],"security":"Common Stock","published_at":"2019-02-15T21:27:03.000Z","date":"2019-02-13","kind":"exercise","acquired":true,"shares":7308.25,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/17/16 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/18.   RPSRs to be settled at 115% of target. The shares are anticipated to be distributed into the participant's account on February 14, 2019."}],"balance_after":26395.31,"source":{"system":"sec-edgar","filing":"0001225208-19-002775","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002775/doc4.xml","form_type":"4"}},{"id":3855239,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-08-02T20:27:18.000Z","date":"2018-07-31","kind":"sale","acquired":false,"shares":4700,"price":300,"value":1410000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."}],"balance_after":19087.06,"source":{"system":"sec-edgar","filing":"0001225208-18-012190","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818012190/doc4.xml","form_type":"4"}},{"id":3857000,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-08-01T20:33:02.000Z","date":"2018-07-30","kind":"sale","acquired":false,"shares":4325,"price":300.25,"value":1298581.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price of $300.25 rounded to the nearest hundredth.  The highest price at which the shares were sold was $300.79 and the lowest price at which the shares were sold was $300.00.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4."}],"balance_after":23787.06,"source":{"system":"sec-edgar","filing":"0001225208-18-012142","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818012142/doc4.xml","form_type":"4"}},{"id":3856999,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-08-01T20:33:02.000Z","date":"2018-07-30","kind":"sale","acquired":false,"shares":100,"price":301,"value":30100.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."}],"balance_after":28112.06,"source":{"system":"sec-edgar","filing":"0001225208-18-012142","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818012142/doc4.xml","form_type":"4"}},{"id":4034426,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-02-26T23:04:40.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":10357.5,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/18/15 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/17.   RPSRs to be settled at 150% of target. The shares are anticipated to be distributed into the participant's account on February 26, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total amount includes 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 6,355 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18."}],"balance_after":15426,"derivative":{"underlying":"Common Stock","underlying_shares":10357.5},"source":{"system":"sec-edgar","filing":"0001225208-18-004221","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818004221/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-15"}},{"id":4034425,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-02-26T23:04:40.000Z","date":"2018-02-13","kind":"tax_withholding","acquired":false,"shares":4499,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares surrendered to issuer in payment of tax liability in connection with settlement of RPSRs in accordance with Rule 16b-3(e).  Amendment filed to correct the number of shares surrendered."}],"balance_after":26425.06,"source":{"system":"sec-edgar","filing":"0001225208-18-004221","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818004221/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-15"}},{"id":4034424,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-02-26T23:04:40.000Z","date":"2018-02-13","kind":"exercise","acquired":true,"shares":10357.5,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/18/15 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/17.   RPSRs to be settled at 150% of target. The shares are anticipated to be distributed into the participant's account on February 26, 2018."}],"balance_after":30924.06,"source":{"system":"sec-edgar","filing":"0001225208-18-004221","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818004221/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-15"}},{"id":4040924,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Stock Rights","published_at":"2018-02-22T22:23:21.000Z","date":"2018-02-18","kind":"exercise","acquired":false,"shares":3256,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/18/15 that vested on 2/18/18."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/18/15 that vested on 2/18/18."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; and 2,884 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19."}],"balance_after":6806,"derivative":{"underlying":"Common Stock","underlying_shares":3256},"source":{"system":"sec-edgar","filing":"0001225208-18-003821","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003821/doc4.xml","form_type":"4"}},{"id":4040923,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-02-22T22:23:21.000Z","date":"2018-02-18","kind":"tax_withholding","acquired":false,"shares":1469,"price":350.36,"value":514678.84,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"In light of the vesting date, Sunday, February 18, 2018, and in accordance with the terms of the 2011 Long-Term Incentive Stock Plan (\"LTISP\"), award shares were valued based on the Company's closing stock price on February 20, 2018, the following business day.  The shares will be distributed into the participant's account on February 23, 2018."},{"field":"shares","element":"transactionShares","label":"F3","text":"Shares surrendered to issuer in payment of tax liability in connection with vesting of RSRs in accordance with Rule 16b-3(e)."}],"balance_after":28184.06,"source":{"system":"sec-edgar","filing":"0001225208-18-003821","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003821/doc4.xml","form_type":"4"}},{"id":4040922,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-02-22T22:23:21.000Z","date":"2018-02-18","kind":"exercise","acquired":true,"shares":3256,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"In light of the vesting date, Sunday, February 18, 2018, and in accordance with the terms of the 2011 Long-Term Incentive Stock Plan (\"LTISP\"), award shares were valued based on the Company's closing stock price on February 20, 2018, the following business day.  The shares will be distributed into the participant's account on February 23, 2018."},{"field":"shares","element":"transactionShares","label":"F2","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/18/15 that vested on 2/18/18."}],"balance_after":29653.06,"source":{"system":"sec-edgar","filing":"0001225208-18-003821","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003821/doc4.xml","form_type":"4"}},{"id":4055427,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Stock Rights","published_at":"2018-02-15T22:38:42.000Z","date":"2018-02-13","kind":"grant","acquired":true,"shares":1626,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/13/18 and will vest on 2/13/21."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/13/18 and will vest on 2/13/21."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/13/18 and will vest on 2/13/21."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Total amount includes 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; 2,884 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19; and 3,256 RSRs granted under the LTISP on 2/18/15 that will vest on 2/18/18."}],"balance_after":10062,"derivative":{"underlying":"Common Stock","underlying_shares":1626},"source":{"system":"sec-edgar","filing":"0001225208-18-003062","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003062/doc4.xml","form_type":"4"}},{"id":4055426,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-02-15T22:38:42.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":10357.5,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/18/15 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/17.   RPSRs to be settled at 150% of target. The shares are anticipated to be distributed into the participant's account on February 22, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Total amount includes 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 6,355 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18."}],"balance_after":15426,"derivative":{"underlying":"Common Stock","underlying_shares":10357.5},"source":{"system":"sec-edgar","filing":"0001225208-18-003062","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003062/doc4.xml","form_type":"4"}},{"id":4055425,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-02-15T22:38:42.000Z","date":"2018-02-13","kind":"grant","acquired":true,"shares":7032.5,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F6","text":"The RPSRs acquired include (i) 3,452.50 vested RPSRs with respect to the measurement period ended 12/31/17 acquired due to settlement of the 2015 RPSRs held at 150% of the target award and (ii) 3,580 unvested RPSRs granted under the LTISP on 2/13/18 with a measurement period ending on 12/31/20."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes 10,357.50 vested RPSRs granted under the LTISP on 2/18/15 with a measurement period ended on 12/31/17; 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 6,355 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18."}],"balance_after":25783.5,"derivative":{"underlying":"Common Stock","underlying_shares":7032.5},"source":{"system":"sec-edgar","filing":"0001225208-18-003062","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003062/doc4.xml","form_type":"4"}},{"id":4055424,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-02-15T22:38:42.000Z","date":"2018-02-13","kind":"tax_withholding","acquired":false,"shares":4527,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares surrendered to issuer in payment of tax liability in connection with settlement of RPSRs in accordance with Rule 16b-3(e)."}],"balance_after":26397.06,"source":{"system":"sec-edgar","filing":"0001225208-18-003062","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003062/doc4.xml","form_type":"4"}},{"id":4055423,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2018-02-15T22:38:42.000Z","date":"2018-02-13","kind":"exercise","acquired":true,"shares":10357.5,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares expected to be issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/18/15 with a valuation of performance measurement period (\"measurement period\") that ended 12/31/17.   RPSRs to be settled at 150% of target. The shares are anticipated to be distributed into the participant's account on February 22, 2018."}],"balance_after":30924.06,"source":{"system":"sec-edgar","filing":"0001225208-18-003062","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003062/doc4.xml","form_type":"4"}},{"id":4425023,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2017-02-24T21:09:11.000Z","date":"2017-02-23","kind":"sale","acquired":false,"shares":10490,"price":242.11,"value":2539733.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."}],"balance_after":20566.56,"source":{"system":"sec-edgar","filing":"0001225208-17-004540","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004540/doc4.xml","form_type":"4"}},{"id":4432043,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Stock Rights","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-19","kind":"exercise","acquired":false,"shares":4032,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F14","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"date","element":"transactionDate","label":"F3","text":"In light of the vesting date, Sunday, February 19, 2017, and in accordance with the terms of the LTISP, award shares were valued based on the Company's closing stock price on February 17, 2017, the immediately preceding business day.  The shares were distributed into the participant's account on February 22, 2017."},{"field":"shares","element":"transactionShares","label":"F4","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/19/14 that vested on 2/19/17."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F14","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F14","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F15","text":"Total amount included 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; 2,884 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19; and 3,256 RSRs granted under the LTISP on 2/18/15 that will vest on 2/18/18."}],"balance_after":8436,"derivative":{"underlying":"Common Stock","underlying_shares":4032},"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432042,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Stock Rights","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-17","kind":"grant","acquired":true,"shares":2296,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F12","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/17/17 and will vest on 2/17/20."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/17/17 and will vest on 2/17/20."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F12","text":"Each RSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.  The RSRs were granted under the LTISP on 2/17/17 and will vest on 2/17/20."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F13","text":"Total amount includes 2,296 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; 2,884 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19; 3,256 RSRs granted under the LTISP on 2/18/15 that will vest on 2/18/18; and 4,032 RSRs granted under the LTISP on 2/19/14 that vested on 2/19/17."}],"balance_after":12468,"derivative":{"underlying":"Common Stock","underlying_shares":2296},"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432041,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-17","kind":"exercise","acquired":false,"shares":14310.12,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F1","text":"Shares issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/19/14 with a valuation of performance measurement period (\"measurement period\") ended 12/31/16.  The RPSRs were settled at 148% of target."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F11","text":"Total amount includes 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; 6,355 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18; and 6,905 RPSRs granted on 2/18/15 with a measurement period ending on 12/31/17."}],"balance_after":18751,"derivative":{"underlying":"Common Stock","underlying_shares":14310.12},"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432040,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Restricted Performance Stock Rights","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-17","kind":"grant","acquired":true,"shares":10132.12,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F9","text":"The RPSRs acquired include (i) 4,641.12 vested RPSRs with respect to the measurement period ended 12/31/16 acquired due to settlement of the 2014 RPSRs held at 148% of the target award and (ii) 5,491 unvested RPSRs granted under the LTISP on 2/17/17 with a measurement period ending on 12/31/19."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the application performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Total amount includes 14,310.12 vested RPSRs granted under the LTISP on 2/19/14 with a measurement period ended on 12/31/16; 5,491 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; 6,355 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18; and 6,905 RPSRs granted on 2/18/15 with a measurement period ending on 12/31/17."}],"balance_after":33061.12,"derivative":{"underlying":"Common Stock","underlying_shares":10132.12},"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432039,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-19","kind":"tax_withholding","acquired":false,"shares":1924,"price":243.58,"value":468647.92,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F3","text":"In light of the vesting date, Sunday, February 19, 2017, and in accordance with the terms of the LTISP, award shares were valued based on the Company's closing stock price on February 17, 2017, the immediately preceding business day.  The shares were distributed into the participant's account on February 22, 2017."},{"field":"shares","element":"transactionShares","label":"F5","text":"Shares surrendered to issuer in payment of tax liability in connection with vesting of RSRs in accordance with Rule 16b-3(e)."}],"balance_after":31056.56,"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432038,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-19","kind":"exercise","acquired":true,"shares":4032,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F3","text":"In light of the vesting date, Sunday, February 19, 2017, and in accordance with the terms of the LTISP, award shares were valued based on the Company's closing stock price on February 17, 2017, the immediately preceding business day.  The shares were distributed into the participant's account on February 22, 2017."},{"field":"shares","element":"transactionShares","label":"F4","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the LTISP on 2/19/14 that vested on 2/19/17."}],"balance_after":32980.56,"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432037,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-17","kind":"tax_withholding","acquired":false,"shares":6235,"price":243.58,"value":1518721.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares surrendered to issuer in payment of tax liability in connection with settlement of RPSRs in accordance with Rule 16b-3(e)"}],"balance_after":28948.56,"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}},{"id":4432036,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":115802,"kind":"person","name":"Perry David T","position":1,"cik":"0001555175","reported_name":"Perry David T","relationship":{"officer":true,"officer_title":"CVP Chief Global Bus Dev Off"}}],"security":"Common Stock","published_at":"2017-02-22T21:39:54.000Z","date":"2017-02-17","kind":"exercise","acquired":true,"shares":14310.12,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares issued in settlement of Restricted Performance Stock Rights (\"RPSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/19/14 with a valuation of performance measurement period (\"measurement period\") ended 12/31/16.  The RPSRs were settled at 148% of target."}],"balance_after":35183.56,"source":{"system":"sec-edgar","filing":"0001225208-17-004134","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520817004134/doc4.xml","form_type":"4"}}]}