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Fair Value Measurement - Fair Value Hierarchy for Gross Financial Assets and Liabilities (Details) $ in Millions | Dec. 31, 2024 USD ($) $ / Boe | Dec. 31, 2023 USD ($) $ / Boe
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Commodity derivatives | $ 488 | $ 724
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments in debt securities | 1,551 | 1,424
Commodity derivatives | 488 | 724
Total assets | 2,039 | 2,148
Commodity derivatives | 480 | 647
Contingent consideration | 145 | 312
Total liabilities | 625 | 959
Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments in debt securities | 261 | 278
Commodity derivatives | 201 | 308
Total assets | 462 | 586
Commodity derivatives | 275 | 350
Contingent consideration | 0 | 0
Total liabilities | 275 | 350
Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments in debt securities | 1,290 | 1,146
Commodity derivatives | 252 | 301
Total assets | 1,542 | 1,447
Commodity derivatives | 160 | 283
Contingent consideration | 0 | 0
Total liabilities | 160 | 283
Level 3 | Fair Value, Measurements, Recurring |  |
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 | 45 | 14
Contingent consideration | 145 | 312
Total liabilities | $ 190 | $ 326
Level 3 | Fair Value, Measurements, Recurring | Minimum | Measurement Input, Commodity Price Outlook | Valuation Technique, Discounted Cash Flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Measurment input | $ / Boe | 48.63 | 45.48
Level 3 | Fair Value, Measurements, Recurring | Maximum | Measurement Input, Commodity Price Outlook | Valuation Technique, Discounted Cash Flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Measurment input | $ / Boe | 57.53 | 63.04
Level 3 | Fair Value, Measurements, Recurring | Arithmetic Average | Measurement Input, Commodity Price Outlook | Valuation Technique, Discounted Cash Flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Measurment input | $ / Boe | 53.38 | 57.45

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