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Short And Long-Term Debt Debt Maturities Table (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Jan. 11, 2021
Maturities of Long-term Debt [Abstract]
2021 (a)	[1]		$ 62
2022			81
2023			981
2024			11
2025			$ 1,554
Long-term Debt Maturities, Years Presented			5 years
Scenario, Forecast | Secured Debt | Term Loan A
Maturities of Long-term Debt [Abstract]
Debt Instrument, Periodic Payment, Principal		$ 51
Scenario, Forecast | Secured Debt | Term Loan B
Maturities of Long-term Debt [Abstract]
Debt Instrument, Periodic Payment, Principal		$ 11
Subsequent Event | Senior Notes | 5.75% Senior Notes
Maturities of Long-term Debt [Abstract]
Interest Rate				5.75%
[1] The current portion of long term debt consists of four quarters of 2021 amortization payments totaling $51 million and $11 million for the Term Loan A Facility and Term Loan B Facility, respectively. See Note 20, "Subsequent Events", for a description of the January and February issuances of 5.75% Senior Notes and amendments to the Senior Secured Credit Facility and Term Loan A Facility.

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