Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 1,486	$ 1,430	$ 4,407	$ 4,261
Other Comprehensive Income (Loss)
Changes in unrealized gains and losses on securities available-for-sale	(21)	(237)	486	(1,032)
Other-than-temporary impairment not recognized in earnings on securities available-for-sale		1	1	8
Changes in unrealized gains and losses on derivative hedges	16	(17)	(19)	33
Foreign currency translation	4	13	18	(20)
Changes in unrealized gains and losses on retirement plans		38		37
Reclassification to earnings of realized gains and losses	76	99	221	270
Income taxes related to other comprehensive income	(29)	40	(272)	276
Total other comprehensive income (loss)	46	(63)	435	(428)
Comprehensive income	1,532	1,367	4,842	3,833
Comprehensive (income) loss attributable to noncontrolling interests	(15)	38	(44)	119
Comprehensive income attributable to U.S. Bancorp	$ 1,517	$ 1,405	$ 4,798	$ 3,952

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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