Consolidated Statement of Shareholders' Equity (Unaudited) (USD $) In Millions	Total	Common Stock [Member]	Preferred Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total U.S. Bancorp Shareholders' Equity [Member]	Noncontrolling Interests [Member]
Beginning Balance at Dec. 31, 2012	$ 40,267	$ 21	$ 4,769	$ 8,201	$ 34,720	$ (7,790)	$ (923)	$ 38,998	$ 1,269
Shares, Beginning Balance at Dec. 31, 2012		1,869
Net income (loss)	4,261
Net (income) loss attributable to noncontrolling interests	(119)								(119)
Net income attributable to U.S. Bancorp	4,380				4,380			4,380
Other comprehensive income (loss)	(428)						(428)	(428)
Redemption of preferred stock	(500)		(500)	8	(8)			(500)
Preferred stock dividends	(189)				(189)			(189)
Common stock dividends	(1,211)				(1,211)			(1,211)
Issuance of preferred stock	487		487					487
Issuance of common and treasury stock	345			(114)		459		345
Issuance of common and treasury stock, shares		15
Purchase of treasury stock	(1,843)					(1,843)		(1,843)
Purchase of treasury stock, shares		(52)
Distributions to noncontrolling interests	(45)								(45)
Net other changes in noncontrolling interests	315								315
Stock option and restricted stock grants	93			93				93
Ending Balance at Sep. 30, 2013	41,552	21	4,756	8,188	37,692	(9,174)	(1,351)	40,132	1,420
Shares, Ending Balance at Sep. 30, 2013		1,832
Beginning Balance at Dec. 31, 2013	41,807	21	4,756	8,216	38,667	(9,476)	(1,071)	41,113	694
Shares, Beginning Balance at Dec. 31, 2013		1,825
Net income (loss)	4,407
Net (income) loss attributable to noncontrolling interests	44								44
Net income attributable to U.S. Bancorp	4,363				4,363			4,363
Other comprehensive income (loss)	435						435	435
Preferred stock dividends	(181)				(181)			(181)
Common stock dividends	(1,306)				(1,306)			(1,306)
Issuance of common and treasury stock	397			(10)		407		397
Issuance of common and treasury stock, shares		13
Purchase of treasury stock	(1,767)					(1,767)		(1,767)
Purchase of treasury stock, shares		(43)
Distributions to noncontrolling interests	(44)								(44)
Net other changes in noncontrolling interests	(6)								(6)
Stock option and restricted stock grants	87			87				87
Ending Balance at Sep. 30, 2014	$ 43,829	$ 21	$ 4,756	$ 8,293	$ 41,543	$ (10,836)	$ (636)	$ 43,141	$ 688
Shares, Ending Balance at Sep. 30, 2014		1,795