Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Consolidated Statement of Comprehensive Income (Unaudited)
Net income	$ 806	$ 839
Other comprehensive income:
Change in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	(77)	(106)
Change in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	25	28
Net changes in benefit plan assets and obligations	20	18
Net changes in unrealized foreign currency translation and other changes	64	70
Other comprehensive income before income taxes	32	10
Income tax benefit, other comprehensive income	(2)	(7)
Other comprehensive income, net of taxes	34	17
Comprehensive income	$ 840	$ 856

No authoritative reference available.

No definition available.

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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 economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including 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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Amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost), including the net gain (loss) and net prior service cost (credit) arising during the period. Also includes reclassification adjustments out of other comprehensive income as a result of being recognized as components of net periodic benefit cost for the period. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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Tax effect of the change in accumulated other comprehensive income (loss), that is, the tax effect on items included in other comprehensive income (loss) during the period.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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