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Segment and Revenue Information - Components of Financial Accounting Standards and Cost Accounting Standards Adjustment (Details) - Other - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
FAS/CAS service cost adjustment | $ 1,056 | $ 1,143 | $ 1,173
Pension |  |  |
Segment Reporting Information [Line Items] |  |  |
FAS/CAS service cost adjustment | 799 | 849 | 882
Other Postretirement Benefits |  |  |
Segment Reporting Information [Line Items] |  |  |
FAS/CAS service cost adjustment | $ 257 | $ 294 | $ 291

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- Definition The FAS/CAS Service Cost Adjustment represents the difference between pension and postretirement service costs calculated under GAAP and costs allocated to the business segments which are based on US Government Cost Accounting Standards for our defense business + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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