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Fair Value Measurement - Schedule of Fair Value Hierarchy for Gross Financial Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Commodity derivatives $ 725 $ 724
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 1,437 1,424
Commodity derivatives 725 724
Total assets 2,162 2,148
Commodity derivatives 673 647
Contingent consideration 305 312
Total liabilities 978 959
Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 248 278
Commodity derivatives 338 308
Total assets 586 586
Commodity derivatives 371 350
Contingent consideration 0 0
Total liabilities 371 350
Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 1,189 1,146
Commodity derivatives 314 301
Total assets 1,503 1,447
Commodity derivatives 280 283
Contingent consideration 0 0
Total liabilities 280 283
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 73 115
Total assets 73 115
Commodity derivatives 22 14
Contingent consideration 305 312
Total liabilities $ 327 $ 326