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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions | Apr. 05, 2026 | Dec. 31, 2025
--- | --- | ---
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | $ 3,942 | $ 3,953
Accumulated Amortization |  | (2,614) | (2,578)
Intangible assets, net |  | 1,328 | 1,375
Contract and program intangible assets |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1],[2] | 3,236 | 3,241
Accumulated Amortization | [2] | (2,152) | (2,119)
Intangible assets, net |  | 1,084 | 1,122
Trade names and trademarks |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | 569 | 575
Accumulated Amortization |  | (346) | (345)
Intangible assets, net |  | 223 | 230
Technology and software |  |  |
Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | [1] | 77 | 77
Accumulated Amortization |  | (56) | (54)
Intangible assets, net |  | 21 | 23
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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