Condensed Consolidated Statement Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interests	$ 18,574	$ 4,781	$ 24,324	$ 7,577
Other comprehensive income (loss) (net of income taxes)
Foreign exchange translation adjustment	(2,537)	423	(1,796)	572
Postretirement benefits reserves adjustment (excluding amortization)	155	(47)	260	121
Amortization and settlement of postretirement benefits reserves adjustment included in net periodic benefit costs	102	215	195	593
Total other comprehensive income (loss)	(2,280)	591	(1,341)	1,286
Comprehensive income (loss) including noncontrolling interests	16,294	5,372	22,983	8,863
Comprehensive income (loss) attributable to noncontrolling interests	547	178	906	324
Comprehensive income (loss) attributable to ExxonMobil	$ 15,747	$ 5,194	$ 22,077	$ 8,539

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.

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