Comprehensive Income (Details) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Comprehensive Income
Net income including noncontrolling interests	$ 10,898	$ 7,746	$ 21,811	$ 14,321
Foreign exchange translation adjustment	778	(1,847)	2,112	(2,364)
Postretirement benefits reserves adjustment (excluding amortization)	(160)	178	(565)	390
Amortization of postretirement benefits reserves adjustment included in net periodic benefit costs	321	312	631	640
Change in fair value of cash flow hedges	7	80	10	80
Realized (gain)/loss from settled cash flow hedges included in net income	(14)	0	(33)	0
Comprehensive income including noncontrolling interests	11,830	6,469	23,966	13,067
Comprehensive income attributable to noncontrolling interests	293	127	612	501
Comprehensive income attributable to ExxonMobil	$ 11,537	$ 6,342	$ 23,354	$ 12,566

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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