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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Total net sales | $ 65,984 | $ 67,044 | $ 65,398
Capital expenditures | 1,670 | 1,522 | 1,766
PP&E depreciation and software amortization | 1,156 | 1,079 | 1,019
Amortization of purchased intangibles | 248 | 285 | 271
Aeronautics |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 26,987 | 26,748 | 26,266
Missiles and Fire Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 11,317 | 11,693 | 11,257
Rotary and Mission Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 16,148 | 16,789 | 15,995
Space |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 11,532 | 11,814 | 11,880
Intersegment Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 3,187 | 3,092 | 3,085
Intersegment Eliminations | Aeronautics |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 249 | 219 | 243
Intersegment Eliminations | Missiles and Fire Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 627 | 618 | 562
Intersegment Eliminations | Rotary and Mission Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 1,930 | 1,895 | 1,903
Intersegment Eliminations | Space |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 381 | 360 | 377
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 65,984 | 67,044 | 65,398
Capital expenditures | 1,371 | 1,365 | 1,639
PP&E depreciation and software amortization | 989 | 956 | 910
Operating Segments | Aeronautics |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 26,987 | 26,748 | 26,266
Capital expenditures | 461 | 477 | 534
PP&E depreciation and software amortization | 383 | 348 | 348
Amortization of purchased intangibles | 1 | 1 | 0
Operating Segments | Missiles and Fire Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 11,317 | 11,693 | 11,257
Capital expenditures | 253 | 304 | 391
PP&E depreciation and software amortization | 160 | 153 | 136
Amortization of purchased intangibles | 2 | 2 | 2
Operating Segments | Rotary and Mission Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 16,148 | 16,789 | 15,995
Capital expenditures | 266 | 279 | 311
PP&E depreciation and software amortization | 245 | 250 | 244
Amortization of purchased intangibles | 233 | 232 | 232
Operating Segments | Space |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 11,532 | 11,814 | 11,880
Capital expenditures | 391 | 305 | 403
PP&E depreciation and software amortization | 201 | 205 | 182
Amortization of purchased intangibles | 12 | 50 | 37
Corporate assets |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 299 | 157 | 127
PP&E depreciation and software amortization | $ 167 | $ 123 | $ 109

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