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, 2017		$ 49,666	$ 21	$ 5,419	$ 8,464	$ 54,142	$ (17,602)	$ (1,404)	$ 49,040	$ 626
Shares, Beginning Balance at Dec. 31, 2017			1,656
Change in accounting principle at Dec. 31, 2017	[1]	(1)				299		(300)	(1)
Net income (loss)		5,262				5,240			5,240	22
Other comprehensive income (loss)		(869)						(869)	(869)
Preferred stock dividends	[2]	(210)				(210)			(210)
Common stock dividends		(1,593)				(1,593)			(1,593)
Issuance of preferred stock		565		565					565
Issuance of common and treasury stock		77			(130)		207		77
Issuance of common and treasury stock, shares			5
Purchase of treasury stock		(2,019)					(2,019)		(2,019)
Purchase of treasury stock, shares			(38)
Distributions to noncontrolling interests		(22)								(22)
Net other changes in noncontrolling interests		6								6
Stock option and restricted stock grants		145			145				145
Ending Balance at Sep. 30, 2018		51,007	$ 21	5,984	8,479	57,878	(19,414)	(2,573)	50,375	632
Shares, Ending Balance at Sep. 30, 2018			1,623
Beginning Balance at Jun. 30, 2018		50,257	$ 21	5,419	8,468	56,742	(18,707)	(2,315)	49,628	629
Shares, Beginning Balance at Jun. 30, 2018			1,636
Net income (loss)		1,822				1,815			1,815	7
Other comprehensive income (loss)		(258)						(258)	(258)
Preferred stock dividends	[3]	(76)				(76)			(76)
Common stock dividends		(603)				(603)			(603)
Issuance of preferred stock		565		565					565
Issuance of common and treasury stock		29			(17)		46		29
Issuance of common and treasury stock, shares			1
Purchase of treasury stock		(753)					(753)		(753)
Purchase of treasury stock, shares			(14)
Distributions to noncontrolling interests		(7)								(7)
Net other changes in noncontrolling interests		3								3
Stock option and restricted stock grants		28			28				28
Ending Balance at Sep. 30, 2018		51,007	$ 21	5,984	8,479	57,878	(19,414)	(2,573)	50,375	632
Shares, Ending Balance at Sep. 30, 2018			1,623
Beginning Balance at Dec. 31, 2018		51,657	$ 21	5,984	8,469	59,065	(20,188)	(2,322)	51,029	628
Shares, Beginning Balance at Dec. 31, 2018			1,608
Change in accounting principle at Dec. 31, 2018		2				2			2
Net income (loss)		5,453				5,428			5,428	25
Other comprehensive income (loss)		1,149						1,149	1,149
Preferred stock dividends	[4]	(230)				(230)			(230)
Common stock dividends		(1,846)				(1,846)			(1,846)
Issuance of common and treasury stock		52			(127)		179		52
Issuance of common and treasury stock, shares			4
Purchase of treasury stock		(2,215)					(2,215)		(2,215)
Purchase of treasury stock, shares			(41)
Distributions to noncontrolling interests		(16)								(16)
Net other changes in noncontrolling interests		(7)								(7)
Stock option and restricted stock grants		148			148				148
Ending Balance at Sep. 30, 2019		54,147	$ 21	5,984	8,490	62,419	(22,224)	(1,173)	53,517	630
Shares, Ending Balance at Sep. 30, 2019			1,571
Beginning Balance at Jun. 30, 2019		53,540	$ 21	5,984	8,465	61,252	(21,465)	(1,344)	52,913	627
Shares, Beginning Balance at Jun. 30, 2019			1,584
Net income (loss)		1,917				1,908			1,908	9
Other comprehensive income (loss)		171						171	171
Preferred stock dividends	[5]	(79)				(79)			(79)
Common stock dividends		(662)				(662)			(662)
Issuance of common and treasury stock		28			(8)		36		28
Issuance of common and treasury stock, shares			1
Purchase of treasury stock		(795)					(795)		(795)
Purchase of treasury stock, shares			(14)
Net other changes in noncontrolling interests		(6)								(6)
Stock option and restricted stock grants		33			33				33
Ending Balance at Sep. 30, 2019		$ 54,147	$ 21	$ 5,984	$ 8,490	$ 62,419	$ (22,224)	$ (1,173)	$ 53,517	$ 630
Shares, Ending Balance at Sep. 30, 2019			1,571

[1] Reflects the adoption of new accounting guidance on January 1, 2018 to reclassify the impact of the reduced federal statutory rate for corporations included in 2017 tax reform legislation from accumulated other comprehensive income to retained earnings.

[2] Reflects dividends declared per share on the Company’s Series A, Series B, Series F, Series H, Series I, Series J and Series K Non-Cumulative Perpetual Preferred Stock of $2,654.166, $663.54, $1,218.75, $965.64, $640.625, $1,325.00 and $232.99, respectively.

[3] Reflects dividends declared per share on the Company’s Series A, Series B, Series F, Series H, Series J and Series K Non-Cumulative Perpetual Preferred Stock of $894.444, $223.61, $406.25, $321.88, $662.50 and $232.99, respectively.

[4] Reflects dividends declared per share on the Company’s Series A, Series B, Series F, Series H, Series I, Series J and Series K Non-Cumulative Perpetual Preferred Stock of $2,760.506, $663.54, $1,218.75, $965.64, $640.625, $1,325.00 and $1,031.25, respectively.

[5] Reflects dividends declared per share on the Company’s Series A, Series B, Series F, Series H, Series J and Series K Non-Cumulative Perpetual Preferred Stock of $894.444, $223.61, $406.25, $321.88, $662.50 and $343.75, respectively.