Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,509	$ 1,444	$ 2,921	$ 2,831
Other Comprehensive Income (Loss)
Changes in unrealized gains and losses on securities available-for-sale	206	(675)	507	(795)
Other-than-temporary impairment not recognized in earnings on securities available-for-sale	1	1	1	7
Changes in unrealized gains and losses on derivative hedges	(24)	53	(35)	50
Foreign currency translation	18	(23)	14	(33)
Changes in unrealized gains and losses on retirement plans				(1)
Reclassification to earnings of realized gains and losses	72	80	145	171
Income taxes related to other comprehensive income	(105)	217	(243)	236
Total other comprehensive income (loss)	168	(347)	389	(365)
Comprehensive income	1,677	1,097	3,310	2,466
Comprehensive (income) loss attributable to noncontrolling interests	(14)	40	(29)	81
Comprehensive income attributable to U.S. Bancorp	$ 1,663	$ 1,137	$ 3,281	$ 2,547

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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Amount before tax and 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.

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