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Financial and Derivative Instruments - Fair Value of Derivatives (Details) - Commodity - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Consolidated Balance Sheet: Fair Value of Derivatives not Designated as Hedging Instruments    
Total Assets at Fair Value $ 140 $ 313
Total Liabilities at Fair Value 364 72
Accounts and notes receivable, net    
Consolidated Balance Sheet: Fair Value of Derivatives not Designated as Hedging Instruments    
Total Assets at Fair Value 114 251
Long-term receivables, net    
Consolidated Balance Sheet: Fair Value of Derivatives not Designated as Hedging Instruments    
Total Assets at Fair Value 26 62
Accounts payable    
Consolidated Balance Sheet: Fair Value of Derivatives not Designated as Hedging Instruments    
Total Liabilities at Fair Value 350 71
Deferred credits and other noncurrent obligations    
Consolidated Balance Sheet: Fair Value of Derivatives not Designated as Hedging Instruments    
Total Liabilities at Fair Value $ 14 $ 1