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Grants awarded pursuant to Rule 16b-3(d)."},{"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":"F7","text":"Total amount includes (i) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (ii) 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iii) 3,686 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending 12/31/28."}],"balance_after":14174,"derivative":{"underlying":"Common Stock","underlying_shares":913.16},"source":{"system":"sec-edgar","filing":"0001628280-26-008117","document":"wk-form4_1771017266.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026008117/wk-form4_1771017266.xml","form_type":"4"}},{"id":905540,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":65716,"kind":"person","name":"Fleming Robert J.","position":1,"cik":"0001995165","reported_name":"Fleming Robert J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CVP and Pres. 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Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RPSRs acquired include (i) 296.16 vested RPSRs with respect to the measurement period ended 12/31/25 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"2011 LTISP\") on 2/16/23 that resulted in settlement at 148% of the target award; and (ii) 3,686 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the \"2024 LTISP\") on 2/18/25 with a measurement period ending on 12/31/27.  A total of 913.16 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 617 RPSRs was previously reported in connection with the grant of the 2023 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 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 (i) 913.16 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii); 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,686 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28."}],"balance_after":15087.16,"derivative":{"underlying":"Common Stock","underlying_shares":3982.16},"source":{"system":"sec-edgar","filing":"0001628280-26-008117","document":"wk-form4_1771017266.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026008117/wk-form4_1771017266.xml","form_type":"4"}},{"id":905538,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":65716,"kind":"person","name":"Fleming Robert J.","position":1,"cik":"0001995165","reported_name":"Fleming Robert J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CVP and Pres. 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Grants awarded pursuant to Rule 16b-3(d)."},{"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":"F7","text":"Total amount includes (i) 617 RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ending on 12/31/25; (ii) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; and (iii) 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27."}],"balance_after":11105,"derivative":{"underlying":"Common Stock","underlying_shares":620.6},"source":{"system":"sec-edgar","filing":"0001628280-25-006858","document":"wk-form4_1740089709.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006858/wk-form4_1740089709.xml","form_type":"4"}},{"id":1256422,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":65716,"kind":"person","name":"Fleming Robert J.","position":1,"cik":"0001995165","reported_name":"Fleming Robert J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CVP and Pres. 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Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RPSRs acquired include (i) 40.60 vested RPSRs with respect to the measurement period ended 12/31/24 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"2011 LTISP\") on 2/15/22 that resulted in settlement at 107% of the target award; and (ii) 5,355 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the \"2024 LTISP\") on 2/18/25 with a measurement period ending on 12/31/27.  A total of 620.60 shares were issued in settlement of the 2022 RPSRs with a measurement period that ended 12/31/24, and the target award amount of 580 RPSRs was previously reported in connection with the grant of the 2022 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 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 (i) 620.60 vested RPSRs granted under the 2011 LTISP on 2/15/22 with a measurement period ended on 12/31/24; (ii) 617 RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ending on 12/31/25; (iii) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; and (iv) 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27."}],"balance_after":11725.6,"derivative":{"underlying":"Common Stock","underlying_shares":5395.6},"source":{"system":"sec-edgar","filing":"0001628280-25-006858","document":"wk-form4_1740089709.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006858/wk-form4_1740089709.xml","form_type":"4"}},{"id":1256420,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":65716,"kind":"person","name":"Fleming Robert J.","position":1,"cik":"0001995165","reported_name":"Fleming Robert J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CVP and Pres. 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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.  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":6330,"derivative":{"underlying":"Common Stock","underlying_shares":912.27},"source":{"system":"sec-edgar","filing":"0001628280-24-005297","document":"wk-form4_1708110243.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005297/wk-form4_1708110243.xml","form_type":"4"}},{"id":1638786,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":65716,"kind":"person","name":"Fleming Robert J.","position":1,"cik":"0001995165","reported_name":"Fleming Robert J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CVP and Pres. 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Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F3","text":"The RPSRs acquired include (i) 265.27 vested RPSRs with respect to the measurement period ended 12/31/23 acquired due to settlement of the RPSRs granted under the LTISP on 2/16/21 that resulted in settlement at 141% of the target award; and (ii) 5,133 unvested RPSRs granted under the LTISP on 2/14/24 with a measurement period ending on 12/31/26.  A total of 912.27 shares were issued in settlement of the 2021 RPSRs with a measurement period that ended 12/31/23, and the target award amount of 647 RPSRs was previously reported on Form 3."},{"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.  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":7242.27,"derivative":{"underlying":"Common Stock","underlying_shares":5398.27},"source":{"system":"sec-edgar","filing":"0001628280-24-005297","document":"wk-form4_1708110243.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005297/wk-form4_1708110243.xml","form_type":"4"}},{"id":1638785,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":65716,"kind":"person","name":"Fleming Robert J.","position":1,"cik":"0001995165","reported_name":"Fleming Robert J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CVP and Pres. 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The RSRs were granted under Long-Term Incentive Stock Plan (\"LTISP\") on 2/14/24 and will vest on 2/14/2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in 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 Long-Term Incentive Stock Plan (\"LTISP\") on 2/14/24 and will vest on 2/14/2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock. 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