Segment and Revenue Information - Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	3
Percentage of operating assets located outside united states	4.00%	3.00%
Income (loss) from equity method investments	$ 33	$ 104	$ 70
Revenue, remaining performance obligation, amount	682,207
Eliminations and other unallocated items, including earnings charges	$ 445	$ 244
Within Next Fiscal Year
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation, percent recognized	13.00%
Within Next 4 Fiscal Years
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation, percent recognized	55.00%
U.S. government contracts \| Revenues \| U.S. government contracts
Segment Reporting Information [Line Items]
Concentration risk, percentage	35.00%	42.00%	37.00%

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Percentage of operating assets located outside United States.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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