Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) shares in Millions, $ 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, 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)	2,921				2,892			2,892	29
Other comprehensive income (loss)	389						389	389
Preferred stock dividends	(121)				(121)			(121)
Common stock dividends	(865)				(865)			(865)
Issuance of common and treasury stock	343			(14)		357		343
Issuance of common and treasury stock, shares		11
Purchase of treasury stock	(1,113)					(1,113)		(1,113)
Purchase of treasury stock, shares		(27)
Distributions to noncontrolling interests	(30)								(30)
Net other changes in noncontrolling interests	(7)								(7)
Stock option and restricted stock grants	62			62				62
Ending Balance at Jun. 30, 2014	43,386	$ 21	4,756	8,264	40,573	(10,232)	(682)	42,700	686
Shares, Ending Balance at Jun. 30, 2014		1,809
Beginning Balance at Dec. 31, 2014	44,168	$ 21	4,756	8,313	42,530	(11,245)	(896)	43,479	689
Shares, Beginning Balance at Dec. 31, 2014		1,786
Net income (loss)	2,941				2,914			2,914	27
Other comprehensive income (loss)	31						31	31
Preferred stock dividends	(120)				(120)			(120)
Common stock dividends	(890)				(890)			(890)
Issuance of common and treasury stock	194			(49)		243		194
Issuance of common and treasury stock, shares		7
Purchase of treasury stock	(1,142)					(1,142)		(1,142)
Purchase of treasury stock, shares		(26)
Distributions to noncontrolling interests	(27)								(27)
Net other changes in noncontrolling interests	5								5
Stock option and restricted stock grants	71			71				71
Ending Balance at Jun. 30, 2015	$ 45,231	$ 21	$ 4,756	$ 8,335	$ 44,434	$ (12,144)	$ (865)	$ 44,537	$ 694
Shares, Ending Balance at Jun. 30, 2015		1,767