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Financial and Derivative Instruments - Fair Value of Derivatives Not Designated as Hedging Instruments (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Derivatives, Fair Value [Line Items]    
Total assets at fair value $ 137 $ 159
Total liabilities at fair value 153 262
Commodity | Accounts and notes receivable    
Derivatives, Fair Value [Line Items]    
Total assets at fair value 122 151
Commodity | Long-term receivables, net    
Derivatives, Fair Value [Line Items]    
Total assets at fair value 15 8
Commodity | Accounts payable    
Derivatives, Fair Value [Line Items]    
Total liabilities at fair value 127 216
Commodity | Deferred credits and other noncurrent obligations    
Derivatives, Fair Value [Line Items]    
Total liabilities at fair value $ 26 $ 46