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Commitments and Contingencies - Environmental Matters (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]    
Accrued expenses and other current liabilities $ 8 $ 8
Deferred credits and other liabilities 23 23
Environmental remediation accrual, discounted basis $ 31 $ 31