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, 2011	$ 34,971	$ 21	$ 2,606	$ 8,238	$ 30,785	$ (6,472)	$ (1,200)	$ 33,978	$ 993
Share, Beginning Balance at Dec. 31, 2011		1,910
Net income (loss)	4,115
Net (income) loss attributable to noncontrolling interests	(112)								(112)
Net income attributable to U.S. Bancorp	4,227				4,227			4,227
Other comprehensive income (loss)	597						597	597
Preferred stock dividends	(174)				(174)			(174)
Common stock dividends	(1,108)				(1,108)			(1,108)
Issuance of preferred stock	2,163		2,163					2,163
Issuance of common and treasury stock	384			(111)		495		384
Issuance of common and treasury stock, shares		16
Purchase of treasury stock	(1,465)					(1,465)		(1,465)
Purchase of treasury stock, shares		(46)
Distributions to noncontrolling interests	(60)								(60)
Net other changes in noncontrolling interests	343								343
Stock option and restricted stock grants	59			59				59
Ending Balance at Sep. 30, 2012	39,825	21	4,769	8,186	33,730	(7,442)	(603)	38,661	1,164
Shares, Ending Balance at Sep. 30, 2012		1,880
Beginning Balance at Dec. 31, 2012	40,267	21	4,769	8,201	34,720	(7,790)	(923)	38,998	1,269
Share, 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