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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":"F2","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 measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","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.  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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":"F3","text":"Vested RPSRs with respect to the measurement period ended 12/31/21 acquired due to settlement of the 2019 RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/13/19 that resulted in settlement at 122% of the target award.  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The highest price at which the shares were sold was $300.26 and the lowest price at which the shares were sold was $300.13.  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Stock","published_at":"2021-02-19T01:43:43.000Z","date":"2021-02-16","kind":"exercise","acquired":true,"shares":3759,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":8294.42,"source":{"system":"sec-edgar","filing":"0001225208-21-003095","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520821003095/doc4.xml","form_type":"4"}},{"id":3124713,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Common Stock","published_at":"2020-06-04T00:31:34.000Z","date":"2020-06-01","kind":"other","acquired":false,"shares":38.3782,"price":330.67,"value":12690.519394,"ownership":{"direct":false,"nature":"By Spouse"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reporting person's spouse liquidated a portion of his share holdings in the Northrop Grumman Savings and Investment Plan (the \"Plan\"), a qualified profit sharing plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Held in the Plan as of June 1, 2020.  Share totals with respect to the Plan are based upon unit accounting and therefore may reflect a change in units attributable to an individual though no acquisition or disposition occurred."}],"balance_after":5067.6819,"source":{"system":"sec-edgar","filing":"0001225208-20-008611","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820008611/doc4.xml","form_type":"4"}},{"id":3259968,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Restricted Stock Rights","published_at":"2020-02-20T22:55:43.000Z","date":"2020-02-18","kind":"exercise","acquired":false,"shares":427,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","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 2/17/17 that vested on 2/18/2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","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 2/17/17 that vested on 2/18/2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","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":427},"source":{"system":"sec-edgar","filing":"0001225208-20-002992","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002992/doc4.xml","form_type":"4"}},{"id":3259967,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Common Stock","published_at":"2020-02-20T22:55:43.000Z","date":"2020-02-18","kind":"tax_withholding","acquired":false,"shares":129,"price":372.42,"value":48042.18,"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":"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":4535.42,"source":{"system":"sec-edgar","filing":"0001225208-20-002992","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002992/doc4.xml","form_type":"4"}},{"id":3259966,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Common Stock","published_at":"2020-02-20T22:55:43.000Z","date":"2020-02-18","kind":"exercise","acquired":true,"shares":427,"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":4664.42,"source":{"system":"sec-edgar","filing":"0001225208-20-002992","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002992/doc4.xml","form_type":"4"}},{"id":3271198,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Restricted Stock Rights","published_at":"2020-02-15T00:29:04.000Z","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":"F8","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":"F8","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":"F8","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":"F9","text":"Total amount includes 1,527 RSRs granted under the LTISP on 2/12/20 that will vest on 2/12/23; 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 427 RSRs granted under the LTISP on 2/17/17 that will vest on 2/18/20."}],"balance_after":5550,"derivative":{"underlying":"Common Stock","underlying_shares":1527},"source":{"system":"sec-edgar","filing":"0001225208-20-002418","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002418/doc4.xml","form_type":"4"}},{"id":3271197,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Restricted Performance Stock Rights","published_at":"2020-02-15T00:29:04.000Z","date":"2020-02-12","kind":"exercise","acquired":false,"shares":1994,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","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 200% 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":"F4","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":"F4","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 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":1994},"source":{"system":"sec-edgar","filing":"0001225208-20-002418","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002418/doc4.xml","form_type":"4"}},{"id":3271196,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Restricted Performance Stock Rights","published_at":"2020-02-15T00:29:04.000Z","date":"2020-02-12","kind":"grant","acquired":true,"shares":4602,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","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":"F5","text":"The RPSRs acquired include (i) 997 vested RPSRs with respect to the measurement period ended 12/31/19 acquired due to settlement of the 2017 RPSRs held at 200% 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":"F4","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":"F4","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":"F6","text":"Total amount includes 1,994 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":13827,"derivative":{"underlying":"Common Stock","underlying_shares":4602},"source":{"system":"sec-edgar","filing":"0001225208-20-002418","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002418/doc4.xml","form_type":"4"}},{"id":3271195,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Common Stock","published_at":"2020-02-15T00:29:04.000Z","date":"2020-02-12","kind":"tax_withholding","acquired":false,"shares":610,"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":4237.42,"source":{"system":"sec-edgar","filing":"0001225208-20-002418","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002418/doc4.xml","form_type":"4"}},{"id":3271194,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, Pres, Enterprise Svcs"}}],"security":"Common Stock","published_at":"2020-02-15T00:29:04.000Z","date":"2020-02-12","kind":"exercise","acquired":true,"shares":1994,"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 200% of target. The shares are anticipated to be distributed into the participant's account on February 14, 2020."}],"balance_after":4847.42,"source":{"system":"sec-edgar","filing":"0001225208-20-002418","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002418/doc4.xml","form_type":"4"}},{"id":3623572,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-03-01T22:24:48.000Z","date":"2019-02-27","kind":"sale","acquired":false,"shares":1892,"price":286.47,"value":542001.24,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price of $286.47 rounded to the nearest hundredth.  The highest price at which the shares were sold was $286.88 and the lowest price at which the shares were sold was $286.01.  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":2853.42,"source":{"system":"sec-edgar","filing":"0001225208-19-004183","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819004183/doc4.xml","form_type":"4"}},{"id":3623571,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-03-01T22:24:48.000Z","date":"2019-02-27","kind":"sale","acquired":false,"shares":716,"price":285.85,"value":204668.6,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price of $285.85 rounded to the nearest hundredth.  The highest price at which the shares were sold was $285.98 and the lowest price at which the shares were sold was $285.00.  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":4745.42,"source":{"system":"sec-edgar","filing":"0001225208-19-004183","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819004183/doc4.xml","form_type":"4"}},{"id":3623570,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-03-01T22:24:48.000Z","date":"2019-02-27","kind":"sale","acquired":false,"shares":129,"price":287.1,"value":37035.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sale price of $287.10 rounded to the nearest hundredth.  The highest price at which the shares were sold was $287.12 and the lowest price at which the shares were sold was $287.09.  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":5461.42,"source":{"system":"sec-edgar","filing":"0001225208-19-004183","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819004183/doc4.xml","form_type":"4"}},{"id":3642351,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Stock Rights","published_at":"2019-02-21T22:22:25.000Z","date":"2019-02-19","kind":"exercise","acquired":false,"shares":535,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","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":"F5","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":"F6","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 427 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20."}],"balance_after":4023,"derivative":{"underlying":"Common Stock","underlying_shares":535},"source":{"system":"sec-edgar","filing":"0001225208-19-003289","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003289/doc4.xml","form_type":"4"}},{"id":3642350,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-02-21T22:22:25.000Z","date":"2019-02-19","kind":"tax_withholding","acquired":false,"shares":162,"price":287.35,"value":46550.7,"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":5590.42,"source":{"system":"sec-edgar","filing":"0001225208-19-003289","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003289/doc4.xml","form_type":"4"}},{"id":3642349,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-02-21T22:22:25.000Z","date":"2019-02-19","kind":"exercise","acquired":true,"shares":535,"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":5752.42,"source":{"system":"sec-edgar","filing":"0001225208-19-003289","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819003289/doc4.xml","form_type":"4"}},{"id":3654068,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Stock Rights","published_at":"2019-02-15T21:27:07.000Z","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":"F8","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":"F8","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":"F8","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":"F9","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; 427 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; and 535 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19."}],"balance_after":4558,"derivative":{"underlying":"Common Stock","underlying_shares":1970},"source":{"system":"sec-edgar","filing":"0001225208-19-002776","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002776/doc4.xml","form_type":"4"}},{"id":3654067,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Performance Stock Rights","published_at":"2019-02-15T21:27:07.000Z","date":"2019-02-13","kind":"exercise","acquired":false,"shares":2446.08,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","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 196% 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":"F4","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":"F4","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 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 997 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19."}],"balance_after":9225,"derivative":{"underlying":"Common Stock","underlying_shares":2446.08},"source":{"system":"sec-edgar","filing":"0001225208-19-002776","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002776/doc4.xml","form_type":"4"}},{"id":3654066,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Performance Stock Rights","published_at":"2019-02-15T21:27:07.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":5846.08,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","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":"F5","text":"The RPSRs acquired include (i) 1,198.08 vested RPSRs with respect to the measurement period ended 12/31/18 acquired due to settlement of the 2016 RPSRs held at 196% 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":"F4","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":"F4","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":"F6","text":"Total amount includes 2,446.08 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 997 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19."}],"balance_after":11671.08,"derivative":{"underlying":"Common Stock","underlying_shares":5846.08},"source":{"system":"sec-edgar","filing":"0001225208-19-002776","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002776/doc4.xml","form_type":"4"}},{"id":3654065,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-02-15T21:27:07.000Z","date":"2019-02-13","kind":"tax_withholding","acquired":false,"shares":748,"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":5217.42,"source":{"system":"sec-edgar","filing":"0001225208-19-002776","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002776/doc4.xml","form_type":"4"}},{"id":3654064,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2019-02-15T21:27:07.000Z","date":"2019-02-13","kind":"exercise","acquired":true,"shares":2446.08,"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 196% of target.  The shares are anticipated to be distributed into the participant's account on February 14, 2019."}],"balance_after":5965.42,"source":{"system":"sec-edgar","filing":"0001225208-19-002776","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002776/doc4.xml","form_type":"4"}},{"id":3771658,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-11-07T22:01:57.000Z","date":"2018-11-05","kind":"sale","acquired":false,"shares":807,"price":280,"value":225960.0,"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":3519.34,"source":{"system":"sec-edgar","filing":"0001225208-18-015278","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818015278/doc4.xml","form_type":"4"}},{"id":3778266,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-11-01T14:02:17.000Z","date":"2018-10-29","kind":"sale","acquired":false,"shares":1565,"price":273.39,"value":427855.35,"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":4326.34,"source":{"system":"sec-edgar","filing":"0001225208-18-015027","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818015027/doc4.xml","form_type":"4"}},{"id":4034429,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-02-26T23:06:53.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":1845.79,"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 131% 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; 997 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 1,248 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18."}],"balance_after":5825,"derivative":{"underlying":"Common Stock","underlying_shares":1845.79},"source":{"system":"sec-edgar","filing":"0001225208-18-004222","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818004222/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-15"}},{"id":4034428,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-02-26T23:06:53.000Z","date":"2018-02-13","kind":"tax_withholding","acquired":false,"shares":560,"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":5560.34,"source":{"system":"sec-edgar","filing":"0001225208-18-004222","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818004222/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-15"}},{"id":4034427,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-02-26T23:06:53.000Z","date":"2018-02-13","kind":"exercise","acquired":true,"shares":1845.79,"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 131% of target.  The shares are anticipated to be distributed into the participant's account on February 26, 2018."}],"balance_after":6120.34,"source":{"system":"sec-edgar","filing":"0001225208-18-004222","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818004222/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-15"}},{"id":4040930,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Stock Rights","published_at":"2018-02-22T22:24:34.000Z","date":"2018-02-18","kind":"exercise","acquired":false,"shares":604,"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":"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":"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":"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":"F6","text":"Total amount includes 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; 427 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; and 535 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19."}],"balance_after":2588,"derivative":{"underlying":"Common Stock","underlying_shares":604},"source":{"system":"sec-edgar","filing":"0001225208-18-003823","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003823/doc4.xml","form_type":"4"}},{"id":4040929,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-02-22T22:24:34.000Z","date":"2018-02-18","kind":"tax_withholding","acquired":false,"shares":273,"price":350.36,"value":95648.28,"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":5880.34,"source":{"system":"sec-edgar","filing":"0001225208-18-003823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003823/doc4.xml","form_type":"4"}},{"id":4040928,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-02-22T22:24:34.000Z","date":"2018-02-18","kind":"exercise","acquired":true,"shares":604,"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":6153.34,"source":{"system":"sec-edgar","filing":"0001225208-18-003823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003823/doc4.xml","form_type":"4"}},{"id":4055432,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Stock Rights","published_at":"2018-02-15T22:39:27.000Z","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":"F8","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":"F8","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":"F8","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":"F9","text":"Total amount includes 1,626 RSRs granted under the LTISP on 2/13/18 that will vest on 2/13/21; 427 RSRs granted under the LTISP on 2/17/17 that will vest on 2/17/20; 535 RSRs granted under the LTISP on 2/17/16 that will vest on 2/17/19; and 604 RSRs granted under the LTISP on 2/18/15 that will vest on 2/18/18."}],"balance_after":3192,"derivative":{"underlying":"Common Stock","underlying_shares":1626},"source":{"system":"sec-edgar","filing":"0001225208-18-003063","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003063/doc4.xml","form_type":"4"}},{"id":4055431,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-02-15T22:39:27.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":1845.79,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","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 131% 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":"F4","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":"F4","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 3,580 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; 997 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 1,248 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18."}],"balance_after":5825,"derivative":{"underlying":"Common Stock","underlying_shares":1845.79},"source":{"system":"sec-edgar","filing":"0001225208-18-003063","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003063/doc4.xml","form_type":"4"}},{"id":4055430,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-02-15T22:39:27.000Z","date":"2018-02-13","kind":"grant","acquired":true,"shares":4016.79,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","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":"F5","text":"The RPSRs acquired include (i) 436.79 vested RPSRs with respect to the measurement period ended 12/31/17 acquired due to settlement of the 2015 RPSRs held at 131% 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":"F4","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":"F4","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":"F6","text":"Total amount includes 1,845.79 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; 997 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 1,248 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18."}],"balance_after":7670.79,"derivative":{"underlying":"Common Stock","underlying_shares":4016.79},"source":{"system":"sec-edgar","filing":"0001225208-18-003063","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003063/doc4.xml","form_type":"4"}},{"id":4055429,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-02-15T22:39:27.000Z","date":"2018-02-13","kind":"tax_withholding","acquired":false,"shares":571,"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":5549.34,"source":{"system":"sec-edgar","filing":"0001225208-18-003063","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003063/doc4.xml","form_type":"4"}},{"id":4055428,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":130287,"kind":"person","name":"Purvis Shawn N","position":1,"cik":"0001725609","reported_name":"Purvis Shawn N","relationship":{"officer":true,"officer_title":"CVP, President, Enterprise Svc"}}],"security":"Common Stock","published_at":"2018-02-15T22:39:27.000Z","date":"2018-02-13","kind":"exercise","acquired":true,"shares":1845.79,"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 131% of target.  The shares are anticipated to be distributed into the participant's account on February 22, 2018."}],"balance_after":6120.34,"source":{"system":"sec-edgar","filing":"0001225208-18-003063","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818003063/doc4.xml","form_type":"4"}}]}