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)	2,683
Net (income) loss attributable to noncontrolling interests	(70)								(70)
Net income attributable to U.S. Bancorp	2,753				2,753			2,753
Other comprehensive income (loss)	370						370	370
Preferred stock dividends	(110)				(110)			(110)
Common stock dividends	(741)				(741)			(741)
Issuance of preferred stock	2,163		2,163					2,163
Issuance of common and treasury stock	203			(122)		325		203
Issuance of common and treasury stock, shares		11
Purchase of treasury stock	(884)					(884)		(884)
Purchase of treasury stock, shares		(29)
Distributions to noncontrolling interests	(43)								(43)
Net other changes in noncontrolling interests	202								202
Stock option and restricted stock grants	60			60				60
Ending Balance at Jun. 30, 2012	38,874	21	4,769	8,176	32,687	(7,031)	(830)	37,792	1,082
Shares, Ending Balance at Jun. 30, 2012		1,892
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)	2,831
Net (income) loss attributable to noncontrolling interests	(81)								(81)
Net income attributable to U.S. Bancorp	2,912				2,912			2,912
Other comprehensive income (loss)	(365)						(365)	(365)
Redemption of preferred stock	(500)		(500)	8	(8)			(500)
Preferred stock dividends	(128)				(128)			(128)
Common stock dividends	(789)				(789)			(789)
Issuance of preferred stock	487		487					487
Issuance of common and treasury stock	175			(119)		294		175
Issuance of common and treasury stock, shares		10
Purchase of treasury stock	(1,184)					(1,184)		(1,184)
Purchase of treasury stock, shares		(35)
Distributions to noncontrolling interests	(30)								(30)
Net other changes in noncontrolling interests	209								209
Stock option and restricted stock grants	77			77				77
Ending Balance at Jun. 30, 2013	$ 41,050	$ 21	$ 4,756	$ 8,167	$ 36,707	$ (8,680)	$ (1,288)	$ 39,683	$ 1,367
Shares, Ending Balance at Jun. 30, 2013		1,844