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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions | Sep. 28, 2025 | Dec. 31, 2024
--- | --- | ---
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | $ 3,928 | $ 3,910
Accumulated Amortization |  | (2,526) | (2,390)
Intangible assets, net |  | 1,402 | 1,520
Contract and program intangible assets |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1],[2] | 3,238 | 3,278
Accumulated Amortization | [2] | (2,076) | (1,989)
Intangible assets, net |  | 1,162 | 1,289
Trade names and trademarks |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | 568 | 511
Accumulated Amortization |  | (336) | (289)
Intangible assets, net |  | 232 | 222
Technology and software |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | 62 | 61
Accumulated Amortization |  | (54) | (52)
Intangible assets, net |  | 8 | 9
Other intangible assets |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | 60 | 60
Accumulated Amortization |  | (60) | (60)
Intangible assets, net |  | $ 0 | $ 0
[1] | Changes in gross carrying amounts consisted primarily of foreign currency translation and adjustments for acquired and divested intangible assets.
[2] | Consisted of acquired backlog and probable follow-on work and associated customer relationships.

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