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Short And Long-Term Debt Gain/Loss on the Early Extinguishment of Debt (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 01, 2023	Aug. 24, 2023	Jun. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
(Gain) loss on the early extinguishment of debt				$ (7)	$ (169)	$ 96
Cash paid for fees associated with early extinguishment of debt			$ 80	$ 0	$ 2	$ 83
5.75% Senior Notes and 5.25% Senior Notes
Debt Instrument [Line Items]
(Gain) loss on the early extinguishment of debt	$ (18)	$ (151)
7.625% Senior Secured Second Lien Notes | Senior Notes
Debt Instrument [Line Items]
Interest Rate				762.50%
9.375% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Interest Rate				937.50%

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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