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Fair Value Measurement - Schedule of Fair Value Hierarchy for Gross Financial Assets and Liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Commodity derivatives $ 428 $ 724
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 1,527 1,424
Commodity derivatives 428 724
Total assets 1,955 2,148
Commodity derivatives 382 647
Contingent consideration 165 312
Total liabilities 547 959
Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 257 278
Commodity derivatives 198 308
Total assets 455 586
Commodity derivatives 251 350
Contingent consideration 0 0
Total liabilities 251 350
Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in debt securities 1,270 1,146
Commodity derivatives 195 301
Total assets 1,465 1,447
Commodity derivatives 117 283
Contingent consideration 0 0
Total liabilities 117 283
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 35 115
Total assets 35 115
Commodity derivatives 14 14
Contingent consideration 165 312
Total liabilities $ 179 $ 326