Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,412	$ 1,387
Other Comprehensive Income (Loss)
Changes in unrealized gains and losses on securities available-for-sale	301	(120)
Other-than-temporary impairment not recognized in earnings on securities available-for-sale		6
Changes in unrealized gains and losses on derivative hedges	(11)	(3)
Foreign currency translation	(4)	(10)
Changes in unrealized gains and losses on retirement plans		(1)
Reclassification to earnings of realized gains and losses	73	91
Income taxes related to other comprehensive income	(138)	19
Total other comprehensive income (loss)	221	(18)
Comprehensive income	1,633	1,369
Comprehensive (income) loss attributable to noncontrolling interests	(15)	41
Comprehensive income attributable to U.S. Bancorp	$ 1,618	$ 1,410

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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