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Fair Value Measurement - Schedule of Fair Value Hierarchy for Gross Financial Assets and Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Commodity derivatives $ 635 $ 724
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 1,479 1,424
Commodity derivatives 635 724
Total assets 2,114 2,148
Commodity derivatives 587 647
Contingent consideration 249 312
Total liabilities 836 959
Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 215 278
Commodity derivatives 298 308
Total assets 513 586
Commodity derivatives 333 350
Contingent consideration 0 0
Total liabilities 333 350
Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 1,264 1,146
Commodity derivatives 287 301
Total assets 1,551 1,447
Commodity derivatives 240 283
Contingent consideration 0 0
Total liabilities 240 283
Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 0 0
Commodity derivatives 50 115
Total assets 50 115
Commodity derivatives 14 14
Contingent consideration 249 312
Total liabilities $ 263 $ 326