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Other Comprehensive Income Information (Tables) | 9 Months Ended
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Sep. 30, 2025
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule Of Accumulated Other Comprehensive Income Information |
ExxonMobil Share of Accumulated Other Comprehensive Income (millions of dollars) | Cumulative Foreign Exchange Translation Adjustment | Postretirement Benefits Reserves Adjustment | Total
Balance as of December 31, 2023 | (13,056) |  | 1,067 |  | (11,989) |
Current period change excluding amounts reclassified from accumulated other comprehensive income (1) | 32 |  | (34) |  | (2) |
Amounts reclassified from accumulated other comprehensive income | — |  | 32 |  | 32 |
Total change in accumulated other comprehensive income | 32 |  | (2) |  | 30 |
Balance as of September 30, 2024 | (13,024) |  | 1,065 |  | (11,959) |
Balance as of December 31, 2024 | (16,166) |  | 1,547 |  | (14,619) |
Current period change excluding amounts reclassified from accumulated other comprehensive income (1) | 1,851 |  | (49) |  | 1,802 |
Amounts reclassified from accumulated other comprehensive income | — |  | 35 |  | 35 |
Total change in accumulated other comprehensive income | 1,851 |  | (14) |  | 1,837 |
Balance as of September 30, 2025 | (14,315) |  | 1,533 |  | (12,782) |
(1) Cumulative Foreign Exchange Translation Adjustment includes net investment hedge gain/(loss) net of taxes of $(300) million and $8 million in 2025 and 2024, respectively.
Reclassification Out Of Accumulated Other Comprehensive Income |
Amounts Reclassified Out of Accumulated Other Comprehensive Income - Before-tax Income/(Expense) (millions of dollars) | Three Months Ended September 30, | Nine Months Ended September 30,
2025 | 2024 | 2025 | 2024
Amortization and settlement of postretirement benefits reserves adjustment included in net periodic benefit costs |  |  |  |
(Statement of Income line: Non-service pension and postretirement benefit expense) | (5) |  | (21) |  | (42) |  | (55) |
Schedule Of Income Tax (Expense)/Credit For Components Of Other Comprehensive Income |
Income Tax (Expense)/Credit For Components of Other Comprehensive Income (millions of dollars) | Three Months Ended September 30, | Nine Months Ended September 30,
2025 | 2024 | 2025 | 2024
Foreign exchange translation adjustment | 40 |  | 90 |  | 146 |  | 84 |
Postretirement benefits reserves adjustment (excluding amortization) | (6) |  | 30 |  | 32 |  | 24 |
Amortization and settlement of postretirement benefits reserves adjustment included in net periodic benefit costs | 1 |  | (5) |  | (6) |  | (13) |
Total | 35 |  | 115 |  | 172 |  | 95 |

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