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Debt - Significant Activity (Details) - USD ($) $ in Millions	1 Months Ended									3 Months Ended	12 Months Ended
	Dec. 31, 2025	Oct. 31, 2025	Jul. 31, 2025	Mar. 31, 2025	Dec. 31, 2024	Oct. 31, 2024	May 31, 2024	Apr. 30, 2024	Oct. 31, 2023	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]					Secured Overnight Financing Rate (SOFR)			Secured Overnight Financing Rate (SOFR)		Secured Overnight Financing Rate (SOFR)	Secured Overnight Financing Rate (SOFR)
First Lien Notes due 2026 | Secured Debt
Debt Instrument [Line Items]
Extinguishment of debt, amount									$ 1,300
First Lien Notes due 2026 | Line of Credit
Debt Instrument [Line Items]
Extinguishment of debt, amount	$ 225		$ 550	$ 500
First Lien Term Loan B due 2030 | Secured Debt
Debt Instrument [Line Items]
Extinguishment of debt, amount		$ 200
Debt instrument, refinance amount									$ 1,375
Debt Instrument, term									7 years
Base rate, percentage								2.25%		2.50%
Exchanged debt, principal amount							$ 143
Line of credit facility, increase (decrease), net							$ 474
First Lien Term Loan B due 2030 | Line of Credit
Debt Instrument [Line Items]
Base rate, percentage					2.00%			2.25%
First Lien Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, increase (decrease), net						$ 225
Line of credit facility, maximum borrowing capacity						$ 800
First Lien Revolving Credit Facility | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Proceeds from lines of credit											$ 198	$ 365	$ 0
Repayments of lines of credit											$ 198	365	0
First Lien Revolving Credit Facility | Line of Credit | Maximum
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage						0.30%					0.30%
First Lien Term Loan B-2 due 2032 | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		300	550	600						$ 600
Proceeds from lines of credit			$ 545	$ 597
Second Lien Notes due 2028 | Line of Credit
Debt Instrument [Line Items]
Proceeds from lines of credit		$ 297
First Lien Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Proceeds from (repayments of) debt												$ 704	$ 230

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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