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Non-Mineral Leases - Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Right-of-Use Assets |  |
Gross | $ 2,007 | $ 1,983
Accumulated DD&A | (1,507) | (1,336)
Net PPE | $ 500 | $ 647
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization | Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Operating leases, right-of-use assets | $ 950 | $ 1,017
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | Other Assets, Noncurrent
Finance leases | $ 801 | $ 940
Total lease liabilities | 950 | 1,024
Proportionately Consolidated |  |
Right-of-Use Assets |  |
Net PPE | 83 | 107
Finance leases, current | 188 | 181
Finance leases, noncurrent | 192 | 259
Other accruals |  |
Right-of-Use Assets |  |
Total lease liabilities | 383 | 329
Other liabilities and deferred credits |  |
Right-of-Use Assets |  |
Total lease liabilities | 567 | 695
Short-term debt |  |
Right-of-Use Assets |  |
Finance leases | 306 | 292
Long-term debt |  |
Right-of-Use Assets |  |
Finance leases | $ 495 | $ 648

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