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Short And Long-Term Debt Loss on the Early Extinguishment of Debt (Details) - USD ($) $ in Millions			1 Months Ended	3 Months Ended			9 Months Ended
		Sep. 01, 2023	Aug. 24, 2023	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt	[1]			$ (169)	$ 0		$ (169)	$ 92
Cash paid for fees associated with early extinguishment of debt						$ 80	$ 2	$ 80
5.75% Senior Notes and 5.25% Senior Notes
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt		$ (18)	$ (151)
7.625% Senior Secured Second Lien Notes | Senior Notes
Debt Instrument [Line Items]
Interest Rate				762.50%			762.50%
9.375% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Interest Rate				937.50%			937.50%
[1] Former parent legacy items and (Gain) loss on the early extinguishment of debt are recorded in Corporate and Other. Former parent legacy cost in 2023 relates to recent developments in a legacy tax matter in the first quarter of 2023. Gain on the early extinguishment of debt in 2023 relates to the debt exchange transactions and open market repurchases that occurred during the third quarter of 2023. Loss on the early extinguishment of debt in 2022 relates to the refinancing transactions that occurred during the first quarter of 2022.

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

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