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Information on Business Segments - Summary of Financial Information for Each Business Segment, Intersegment Sale, Depreciation and Capital Expenditures (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | $ 1,685 | $ 1,691 | $ 1,670
PP&E depreciation and software amortization | 1,559 | 1,430 | 1,404
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 1,454 | 1,462 | 1,371
PP&E depreciation and software amortization | 1,132 | 1,032 | 989
Operating Segments | Aeronautics |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 593 | 535 | 461
PP&E depreciation and software amortization | 452 | 416 | 383
Operating Segments | Missiles and Fire Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 265 | 252 | 253
PP&E depreciation and software amortization | 183 | 175 | 160
Operating Segments | Rotary and Mission Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 230 | 220 | 266
PP&E depreciation and software amortization | 227 | 220 | 245
Operating Segments | Space |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 366 | 455 | 391
PP&E depreciation and software amortization | 270 | 221 | 201
Corporate assets |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 231 | 229 | 299
PP&E depreciation and software amortization | $ 427 | $ 398 | $ 415

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