Other Financial Data - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Other Financial Data [Line Items]
Seller note	$ 40		$ 40		$ 37
Fair value of seller note	$ 0		0		$ 50
Contract with customer, liability, revenue recognized			$ 46	$ 48
Interest rate swaps
Other Financial Data [Line Items]
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other current assets		Other current assets		Other current assets
Derivative asset, current	$ 12		$ 12		$ 23
Derivative asset, noncurrent	$ 2		$ 2		$ 8
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other assets		Other assets		Other assets
Derivative liability, current	$ 0		$ 0		$ 0
Derivative liability, noncurrent	1		1		0
Other current liabilities
Other Financial Data [Line Items]
Tax receivable agreement liability	189		189		$ 100
Cost of Services, Exclusive of Depreciation and Amortization
Other Financial Data [Line Items]
Amortization expense	$ 7	$ 6	$ 13	$ 12