| Current Federal Tax Expense (Benefit) | 307.00M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 0 | 2025-01-01 → 2025-12-31 |
| Accrual for Environmental Loss Contingencies | 1.87B | as of 2025-12-31 |
| Current Foreign Tax Expense (Benefit) | 587.00M | 2025-01-01 → 2025-12-31 |
| Current Income Tax Expense (Benefit) | 894.00M | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Costs | 366.00M | as of 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | 99.00M | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves | 409.00M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | 31.00M | 2025-01-01 → 2025-12-31 |
| Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves | 205.00M | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Cost, Charged to Expense | 100.00M | 2025-01-01 → 2025-12-31 |
| Deferred Foreign Income Tax Expense (Benefit) | -3.00M | 2025-01-01 → 2025-12-31 |
| Asset Retirement Obligation, Liabilities Incurred | 138.00M | 2025-01-01 → 2025-12-31 |
| Asset Retirement Obligation, Liabilities Settled | 536.00M | 2025-01-01 → 2025-12-31 |
| Operating Lease, Liability, Current | 350.00M | as of 2025-12-31 |
| Other Inventory, Supplies, Gross | 1.22B | as of 2025-12-31 |
| Asset Retirement Obligation, Revision of Estimate | 452.00M | 2025-01-01 → 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization | 137.75B | as of 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization | 74.11B | as of 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization | 63.64B | as of 2025-12-31 |
| Federal Income Tax Expense (Benefit), Continuing Operations | 406.00M | 2025-01-01 → 2025-12-31 |
| State and Local Income Tax Expense (Benefit), Continuing Operations | 31.00M | 2025-01-01 → 2025-12-31 |
| Inventory, Gross | 601.00M | as of 2025-12-31 |
| Share-based Payment Arrangement, Expense | 234.00M | 2025-01-01 → 2025-12-31 |
| Foreign Income Tax Expense (Benefit), Continuing Operations | 584.00M | 2025-01-01 → 2025-12-31 |
| Other Assets, Miscellaneous, Noncurrent | 2.99B | as of 2025-12-31 |
| Related Party Transaction, Amounts of Transaction | 1.50B | 2025-01-01 → 2025-12-31 |
| Related Party Transaction, Purchases from Related Party | 4.00M | 2025-01-01 → 2025-12-31 |
| Dividends, Preferred Stock, Cash | 679.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 657.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 24.00M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Expense, Tax Benefit | 49.00M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount | 10.00M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 319.00M | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Credit, Amount | 15.00M | 2025-01-01 → 2025-12-31 |
| Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent | 985.00M | as of 2025-12-31 |
| Accrued Income Taxes, Noncurrent | 2.39B | as of 2025-12-31 |
| Noncontrolling Interest, Period Increase (Decrease) | 200.00M | 2025-01-01 → 2025-12-31 |
| SegmentExpenditureAdditionToLongLivedAssets | 6.61B | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Contingency, Amount | 144.00M | 2025-01-01 → 2025-12-31 |
| Dividends, Common Stock, Cash | 945.00M | 2025-01-01 → 2025-12-31 |
| Other Accrued Liabilities, Noncurrent | 1.61B | as of 2025-12-31 |
| Environmental Costs Recognized, Capitalized in Period | 196.00M | 2025-01-01 → 2025-12-31 |
| Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted | 10.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 2.00M | 2025-01-01 → 2025-12-31 |
| Net Income (Loss) Available to Common Stockholders, Diluted | 1.61B | 2025-01-01 → 2025-12-31 |
| Deferred Credits and Other Liabilities, Noncurrent | 17.54B | as of 2025-12-31 |
| Capitalized Costs, Mineral Interests in Unproved Properties | 7.70B | as of 2025-12-31 |
| Deferred Tax Assets, Operating Loss Carryforwards | 1.09B | as of 2025-12-31 |
| Deferred Tax Assets, Tax Credit Carryforwards, Foreign | 713.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Credit Carryforwards, General Business | 60.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits | 173.00M | as of 2025-12-31 |
| Operating Lease, Cost | 486.00M | 2025-01-01 → 2025-12-31 |
| Results of Operations, Expense from Oil and Gas Producing Activities | 4.68B | 2025-01-01 → 2025-12-31 |
| Short-term Lease, Cost | 384.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits | 344.00M | as of 2025-12-31 |
| Lease, Cost | 1.10B | 2025-01-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | 395.00M | 2025-01-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 617.00M | 2025-01-01 → 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year One | 248.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Two | 226.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations | 893.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Three | 188.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Four | 152.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Five | 136.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, after Year Five | 226.00M | as of 2025-12-31 |
| Finance Lease, Liability, Payment, Due | 1.18B | as of 2025-12-31 |
| Finance Lease, Liability, Undiscounted Excess Amount | 177.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 387.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 289.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 190.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 58.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Five | 44.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, after Year Five | 68.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 1.04B | as of 2025-12-31 |
| Deferred Tax Assets, Other | 685.00M | as of 2025-12-31 |
| Deferred Tax Asset, Interest Carryforward | 11.00M | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 4.38B | as of 2025-12-31 |
| Deferred Tax Assets, Valuation Allowance | 1.77B | as of 2025-12-31 |
| Deferred Tax Assets, Net of Valuation Allowance | 2.61B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 81.00M | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 8.23B | as of 2025-12-31 |
| Long-term Debt, Gross | 20.43B | as of 2025-12-31 |
| Deferred Tax Liabilities, Property, Plant and Equipment | 7.40B | as of 2025-12-31 |
| Deferred Tax Liabilities, Net | 5.62B | as of 2025-12-31 |
| Defined Contribution Plan, Cost | 274.00M | 2025-01-01 → 2025-12-31 |
| Purchase Obligation, to be Paid, Year One | 3.00B | as of 2025-12-31 |
| Purchase Obligation, to be Paid, Year Two | 4.70B | as of 2025-12-31 |
| Purchase Obligation, to be Paid, Year Three | 4.70B | as of 2025-12-31 |
| Purchase Obligation, to be Paid, Year Four | 2.60B | as of 2025-12-31 |
| Purchase Obligation, to be Paid, Year Five | 2.60B | as of 2025-12-31 |
| Debt Instrument, Unamortized Discount (Premium), Net | -1.05B | as of 2025-12-31 |
| Debt Issuance Costs, Net | 84.00M | as of 2025-12-31 |
| Unrecognized Tax Benefits | 1.94B | as of 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 0 | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 8.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 1.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 0 | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Interest on Income Taxes Expense | 188.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1.40B | as of 2025-12-31 |
| Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 45.00M | as of 2025-12-31 |
| Other Postretirement Benefits Cost (Reversal of Cost) | 240.00M | 2025-01-01 → 2025-12-31 |
| Oil and Gas Joint Interest Billing Receivables | 684.00M | as of 2025-12-31 |