| Current Federal Tax Expense (Benefit) | 444.00M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 309.00M | 2025-01-01 → 2025-12-31 |
| Accrual for Environmental Loss Contingencies | 1.06B | as of 2025-12-31 |
| Current Foreign Tax Expense (Benefit) | 5.52B | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Costs | 1.76B | as of 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | 885.00M | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves | 150.00M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | -88.00M | 2025-01-01 → 2025-12-31 |
| Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves | 0 | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Cost, Charged to Expense | 1.00M | 2025-01-01 → 2025-12-31 |
| Deferred Foreign Income Tax Expense (Benefit) | 188.00M | 2025-01-01 → 2025-12-31 |
| Asset Retirement Obligation, Liabilities Incurred | 186.00M | 2025-01-01 → 2025-12-31 |
| Asset Retirement Obligation, Liabilities Settled | 1.11B | 2025-01-01 → 2025-12-31 |
| Operating Lease, Liability, Current | 1.83B | as of 2025-12-31 |
| Other Inventory, Supplies, Gross | 2.50B | as of 2025-12-31 |
| Asset Retirement Obligation, Revision of Estimate | 1.40B | 2025-01-01 → 2025-12-31 |
| Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less | 148.00M | as of 2025-12-31 |
| Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year | 1.61B | as of 2025-12-31 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 37.00M | 2025-01-01 → 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization | 434.95B | as of 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization | 215.23B | as of 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization | 219.73B | as of 2025-12-31 |
| Time Deposits, at Carrying Value | 4.00M | as of 2025-12-31 |
| Foreign Income Tax Expense (Benefit), Continuing Operations | 5.71B | 2025-01-01 → 2025-12-31 |
| Short-term Debt, Refinanced, Amount | 9.94B | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 4.15B | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 142.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | 2.69B | 2025-01-01 → 2025-12-31 |
| Energy Related Inventory, Chemicals | 571.00M | as of 2025-12-31 |
| Share-based Payment Arrangement, Exercise of Option, Tax Benefit | 29.00M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount | -2.48B | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Cash Used to Settle Award | 405.00M | 2025-01-01 → 2025-12-31 |
| Long-term Debt, Fair Value | 649.00M | as of 2025-12-31 |
| Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 379.00M | as of 2025-12-31 |
| Property, Plant and Equipment, Additions | 91.57B | 2025-01-01 → 2025-12-31 |
| Line of Credit Facility, Maximum Borrowing Capacity | 11.40B | as of 2025-12-31 |
| Excess of Replacement or Current Costs over Stated LIFO Value | 4.81B | as of 2025-12-31 |
| Restructuring Reserve, Accrual Adjustment | 191.00M | 2025-01-01 → 2025-12-31 |
| Dividends, Common Stock, Cash | 13.09B | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 2.77B | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | -12.00M | 2025-01-01 → 2025-12-31 |
| Treasury Stock, Value, Acquired, Cost Method | 12.22B | 2025-01-01 → 2025-12-31 |
| Net Income (Loss) Available to Common Stockholders, Diluted | 12.30B | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Operating Loss Carryforwards | 7.14B | as of 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | 704.00M | as of 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value | 227.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Credit Carryforwards, Foreign | 18.93B | as of 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | 703.00M | as of 2025-12-31 |
| Retained Earnings, Undistributed Earnings from Equity Method Investees | 32.06B | as of 2025-12-31 |
| Unrecorded Unconditional Purchase Obligation | 1.32B | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits | 1.92B | as of 2025-12-31 |
| Operating Lease, Cost | 3.72B | 2025-01-01 → 2025-12-31 |
| Lease, Cost | 3.87B | 2025-01-01 → 2025-12-31 |
| Compensation and Benefits Trust | 240.00M | as of 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | 971.00M | 2025-01-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 2.85B | 2025-01-01 → 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year One | 825.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Two | 98.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations | 4.99B | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Three | 96.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Four | 93.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Five | 83.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities | 909.00M | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, after Year Five | 524.00M | as of 2025-12-31 |
| Finance Lease, Liability, Payment, Due | 1.72B | as of 2025-12-31 |
| Finance Lease, Liability, Undiscounted Excess Amount | 274.00M | as of 2025-12-31 |
| Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value | 264.00M | as of 2025-12-31 |
| Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value | 68.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 2.02B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 1.37B | as of 2025-12-31 |
| Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | 3.17B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 898.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 551.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Five | 365.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, after Year Five | 1.70B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 6.90B | as of 2025-12-31 |
| Deferred Tax Assets, Other | 4.31B | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 40.53B | as of 2025-12-31 |
| Deferred Tax Assets, Valuation Allowance | 26.86B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 916.00M | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 40.82B | as of 2025-12-31 |
| Long-term Debt, Gross | 30.92B | as of 2025-12-31 |
| Deferred Tax Liabilities, Property, Plant and Equipment | 34.15B | as of 2025-12-31 |
| Recorded Unconditional Purchase Obligation, to be Paid, Year One | 1.33B | as of 2025-12-31 |
| Recorded Unconditional Purchase Obligation, to be Paid, Year Two | 1.55B | as of 2025-12-31 |
| Recorded Unconditional Purchase Obligation, to be Paid, Year Three | 1.81B | as of 2025-12-31 |
| Recorded Unconditional Purchase Obligation, to be Paid, Year Four | 1.81B | as of 2025-12-31 |
| Recorded Unconditional Purchase Obligation, to be Paid, Year Five | 1.70B | as of 2025-12-31 |
| Recorded Unconditional Purchase Obligation, to be Paid, after Year Five | 11.08B | as of 2025-12-31 |
| Deferred Tax Liabilities, Net | 27.15B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year One | 2.35B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Two | 5.72B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Three | 4.75B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Four | 1.57B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Five | 5.35B | as of 2025-12-31 |
| Long-Term Debt, Maturity, after Year Five | 11.19B | as of 2025-12-31 |
| Operating Loss Carryforwards | 29.16B | as of 2025-12-31 |
| Short-term Debt, Average Outstanding Amount | 0 | 2025-01-01 → 2025-12-31 |
| Tax Credit Carryforward, Amount | 430.00M | as of 2025-12-31 |
| Unrecognized Tax Benefits | 2.61B | as of 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 546.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 3.39B | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 632.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions | 29.00M | 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, Decrease Resulting from Foreign Currency Translation | 0 | 2025-01-01 → 2025-12-31 |
| Pension Cost (Reversal of Cost) | 223.00M | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Domestic | 5.98B | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Foreign | 13.76B | 2025-01-01 → 2025-12-31 |
| Interest Costs Capitalized | 175.00M | 2025-01-01 → 2025-12-31 |