Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Earnings before income taxes	$ 63		$ 33	$ 87	$ 30	$ 141
Revenue				199	216
Remaining performance obligations	2,200			2,200
Allowance for credit loss	$ 15			$ 15		15
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01
Accounts, Notes, Loans and Financing Receivable [Line Items]
Remaining performance obligation, expected timing of satisfaction	12 months			12 months
Remaining performance obligation, percentage	75.00%			75.00%
Adjustments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Earnings before income taxes		$ (2)	$ 1		$ 2	$ 2	$ (15)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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