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The vested award shares were valued based on the Company's closing stock price on June 14, 2021.  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The RSRs were granted under the LTISP on 2/12/20. 1,414 of the RSRs will vest on 12/31/21 and 2,515 will vest on 2/12/23."},{"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 2/12/20. 1,414 of the RSRs will vest on 12/31/21 and 2,515 will vest on 2/12/23."},{"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 2/12/20. 1,414 of the RSRs will vest on 12/31/21 and 2,515 will vest on 2/12/23."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Total amount includes 2,545 RSRs granted under the LTISP on 2/12/20 that will vest on 2/13/23; 1,414 RSRs granted under the LTISP on 2/12/20 that will vest on 12/31/21; 3,283 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22; and 2,831 RSRs granted under the LTISP on 6/13/18 that will vest on 6/13/21."}],"balance_after":10073,"derivative":{"underlying":"Common Stock","underlying_shares":3959},"source":{"system":"sec-edgar","filing":"0001225208-20-002415","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002415/doc4.xml","form_type":"4"}},{"id":3271263,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"CVP & Pres, Space Systems"}}],"security":"Restricted Performance Stock Rights","published_at":"2020-02-15T00:26:34.000Z","date":"2020-02-12","kind":"grant","acquired":true,"shares":6009,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F2","text":"These unvested RPSRs were granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/12/20 with a measurement period ending on 12/31/22."},{"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 measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"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 measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Total amount includes 6,009 RPSRs granted on 2/12/20 with a measurement period ending on 12/31/22; 7,748 RPSRs granted on 2/13/19 with a measurement period ending on 12/31/21; and 6,642 RPSRs granted on 6/13/18 with a measurement period ending on 12/31/20."}],"balance_after":20399,"derivative":{"underlying":"Common Stock","underlying_shares":6009},"source":{"system":"sec-edgar","filing":"0001225208-20-002415","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820002415/doc4.xml","form_type":"4"}},{"id":3323769,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"CVP & Pres, NG Space Systems"}}],"security":"Restricted Stock Rights","published_at":"2020-01-03T21:15:20.000Z","date":"2019-12-31","kind":"exercise","acquired":false,"shares":5505,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","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":"F1","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 6/13/18 that vested on 12/31/19."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","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":"F1","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 6/13/18 that vested on 12/31/19."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total amount includes 2,831 RSRs granted under the LTISP on 6/13/18 that will vest on 6/13/21; and 3,283 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22."}],"balance_after":6114,"derivative":{"underlying":"Common Stock","underlying_shares":5505},"source":{"system":"sec-edgar","filing":"0001225208-20-000266","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820000266/doc4.xml","form_type":"4"}},{"id":3323768,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"CVP & Pres, NG Space Systems"}}],"security":"Common Stock","published_at":"2020-01-03T21:15:20.000Z","date":"2019-12-31","kind":"tax_withholding","acquired":false,"shares":2112,"price":343.97,"value":726464.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","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":6989,"source":{"system":"sec-edgar","filing":"0001225208-20-000266","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820000266/doc4.xml","form_type":"4"}},{"id":3323767,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"CVP & Pres, NG Space Systems"}}],"security":"Common Stock","published_at":"2020-01-03T21:15:20.000Z","date":"2019-12-31","kind":"exercise","acquired":true,"shares":5505,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 6/13/18 that vested on 12/31/19."}],"balance_after":9101,"source":{"system":"sec-edgar","filing":"0001225208-20-000266","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520820000266/doc4.xml","form_type":"4"}},{"id":3654052,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"Corp VP & Pres, NGIS"}}],"security":"Restricted Stock Rights","published_at":"2019-02-15T21:25:44.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":3283,"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 2/13/19 and will vest on 2/13/22."},{"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 2/13/19 and will vest on 2/13/22."},{"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 2/13/19 and will vest on 2/13/22."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Total amount includes 3,283 RSRs granted under the LTISP on 2/13/19 that will vest on 2/13/22; 2,831 RSRs granted under the LTISP on 6/13/18 that will vest on 6/13/21; and 5,505 RSRs granted under the LTISP on 6/13/18 that will vest on 12/31/19."}],"balance_after":11619,"derivative":{"underlying":"Common Stock","underlying_shares":3283},"source":{"system":"sec-edgar","filing":"0001225208-19-002772","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002772/doc4.xml","form_type":"4"}},{"id":3654051,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"Corp VP & Pres, NGIS"}}],"security":"Restricted Performance Stock Rights","published_at":"2019-02-15T21:25:44.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":7748,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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":"F2","text":"The RPSRs acquired include 7,748 unvested RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 2/13/19 with a measurement period ending on 12/31/21."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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":"F1","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":"F3","text":"Total amount includes 7,748 RPSRs granted on 2/13/19 with a measurement period ending on 12/31/21; and 6,642 RPSRs granted on 6/13/18 with a measurement period ending on 12/31/20."}],"balance_after":14390,"derivative":{"underlying":"Common Stock","underlying_shares":7748},"source":{"system":"sec-edgar","filing":"0001225208-19-002772","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819002772/doc4.xml","form_type":"4"}},{"id":3709604,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"officer_title":"Corp VP & Pres, NGIS"}}],"security":"Restricted Stock 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combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares issued upon vesting of Restricted Stock Rights (\"RSRs\") granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 6/13/18 that vested on 12/31/18."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total amount includes 2,831 RSRs granted under the LTISP on 6/13/18 that will vest on 6/13/21 and 5,505 RSRs granted under the LTISP on 6/13/18 that will vest on 12/31/19."}],"balance_after":8336,"derivative":{"underlying":"Common Stock","underlying_shares":5505},"source":{"system":"sec-edgar","filing":"0001225208-19-000450","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819000450/doc4.xml","form_type":"4"}},{"id":3709603,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP 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12/31/18."}],"balance_after":5505,"source":{"system":"sec-edgar","filing":"0001225208-19-000450","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520819000450/doc4.xml","form_type":"4"}},{"id":3892756,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"other":true,"officer_title":"Vice President","other_text":"Corp VP & Pres, NGIS"}}],"security":"Restricted Stock Rights","published_at":"2018-06-15T21:33:11.000Z","date":"2018-06-13","kind":"grant","acquired":true,"shares":13841,"price":327.82,"value":4537356.62,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each Restricted Stock Right (\"RSR\") 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include (i) 2,831 RSRs granted under the LTISP on 6/13/18 that will vest on 6/31/21; (ii) 5,505 RSRs granted under the LTISP on 6/13/18 that will vest on 12/31/18; and (iii) 5,505 RSRs granted under the LTISP on 6/13/18 that will vest on 12/31/19.  Grants awarded pursuant to Rule 16b-3(d)."}],"balance_after":13841,"derivative":{"underlying":"Common Stock","underlying_shares":13841},"source":{"system":"sec-edgar","filing":"0001225208-18-010717","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000122520818010717/doc4.xml","form_type":"4"}},{"id":3892755,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":131747,"kind":"person","name":"Larson Blake E","position":1,"cik":"0001313857","reported_name":"Larson Blake E","relationship":{"officer":true,"other":true,"officer_title":"Vice President","other_text":"Corp VP & Pres, NGIS"}}],"security":"Restricted Performance Stock Rights","published_at":"2018-06-15T21:33:11.000Z","date":"2018-06-13","kind":"grant","acquired":true,"shares":6642,"price":327.82,"value":2177380.44,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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":"F2","text":"The RPSRs were granted under the 2011 Long-Term Incentive Stock Plan (\"LTISP\") on 6/13/18 with a measurement period ending on 12/31/20.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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":"F1","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.  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