Consolidated Statement Of Comprehensive Income - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Consolidated Statement Of Comprehensive Income [Abstract] | |||
| Net income including noncontrolling interests | $ 14,774 | $ 21,421 | $ 19,848 |
| Other comprehensive income (net of income taxes) | |||
| Foreign exchange translation adjustment | 1,735 | (5,077) | 5,352 |
| Adjustment for foreign exchange translation (gain)/loss included in net income | 196 | 234 | |
| Postretirement benefits reserves adjustment (excluding amortization) | (2,092) | 280 | (219) |
| Amortization and settlement of postretirement benefits reserves adjustment included in net periodic benefit costs | 582 | 931 | 1,165 |
| Total other comprehensive income | 225 | (3,670) | 6,532 |
| Comprehensive income including noncontrolling interests | 14,999 | 17,751 | 26,380 |
| Comprehensive income attributable to noncontrolling interests | 588 | 174 | 693 |
| Comprehensive income attributable to ExxonMobil | $ 14,411 | $ 17,577 | $ 25,687 |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The adjustment out of other comprehensive income for prior service costs, actuarial gains and losses and other previously recorded other comprehensive income recognized as a component of net period benefit cost during the period, after tax. No definition available.
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