Long-term Debt and Finance Leases - Senior Notes Issuance and Redemptions (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 02, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Oct. 08, 2025	Aug. 23, 2021
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt		$ (10)	$ (382)	$ 109
New Unsecured Notes | Recourse Debt
Debt Instrument [Line Items]
Aggregate principal amount					$ 3,650
New Secured Notes | Recourse Debt
Debt Instrument [Line Items]
Aggregate principal amount					1,250
Senior Secured First Lien Notes, due 2029 | Recourse Debt
Debt Instrument [Line Items]
Aggregate principal amount					$ 500
Interest rate, stated percentage	2.00%	2.00%			2.00%
Aggregate principal repaid	$ 500
Redemption percentage of principal	100.00%
Debt redemption amount	$ 505
Accrued interest	$ 5
6.625% Senior Notes Due 2027 | Recourse Debt
Debt Instrument [Line Items]
Interest rate, stated percentage			6.625%
Aggregate principal repaid			$ 375
Redemption percentage of principal			100.00%
Debt redemption amount			$ 382
Accrued interest			7
Write off of deferred debt issuance cost			$ 1
Senior Notes, due 2032 | Recourse Debt
Debt Instrument [Line Items]
Aggregate principal amount				$ 620
Interest rate, stated percentage		3.875%		3.875%		3.875%
Redemption percentage of principal				81.00%
Debt redemption amount				$ 509
Accrued interest				7
Write off of deferred debt issuance cost				9
Gain (loss) on extinguishment of debt				$ 109