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Short And Long-Term Debt Maturities Table (Details) - USD ($) $ in Millions		6 Months Ended		12 Months Ended
		Dec. 31, 2021	Jun. 30, 2021	Jun. 30, 2022	Dec. 31, 2020
Maturities of Long-term Debt
Remaining 2021 (a)	[1]		$ 8
2022			21
2023			631
2024			33
2025			$ 934
Long-term Debt Maturities, Years Presented			4 years
Current portion of long-term debt			$ 18		$ 62
Scenario, Forecast | Secured Debt | Extended Term Loan A
Maturities of Long-term Debt
Debt Instrument, Periodic Payment, Principal		$ 3		$ 7
Scenario, Forecast | Secured Debt | Term Loan B
Maturities of Long-term Debt
Debt Instrument, Periodic Payment, Principal		$ 5		$ 11
[1] Remaining 2021 includes amortization payments totaling $3 million and $5 million for the Extended Term Loan A and Term Loan B Facility, respectively. The current portion of long-term debt of $18 million shown on the Condensed Consolidated Balance Sheets consists of four quarters of amortization payments totaling $7 million and $11 million for the Extended Term Loan A and Term Loan B Facility, respectively.

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