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Revenues and Accounts Receivable - Counterparty Deficiencies (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Minimum Volume Commitments    
Contract liability, billed and collected $ 143 $ 141
Minimum Volume Commitments    
Minimum Volume Commitments    
Contract liability, billed and collected 65 63
Counterparty deficiencies unbilled 11 16
Counterparty deficiencies $ 76 $ 79