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)		3,440				3,425			3,425	15
Other comprehensive income (loss)		(611)						(611)	(611)
Preferred stock dividends	[2]	(134)				(134)			(134)
Common stock dividends		(990)				(990)			(990)
Issuance of common and treasury stock		48			(113)		161		48
Issuance of common and treasury stock, shares			4
Purchase of treasury stock		(1,266)					(1,266)		(1,266)
Purchase of treasury stock, shares			(24)
Distributions to noncontrolling interests		(15)								(15)
Net other changes in noncontrolling interests		3								3
Stock option and restricted stock grants		117			117				117
Ending Balance at Jun. 30, 2018		50,257	$ 21	5,419	8,468	56,742	(18,707)	(2,315)	49,628	629
Shares, Ending Balance at Jun. 30, 2018			1,636
Beginning Balance at Mar. 31, 2018		49,812	$ 21	5,419	8,438	55,549	(18,047)	(2,193)	49,187	625
Shares, Beginning Balance at Mar. 31, 2018			1,649
Net income (loss)		1,758				1,750			1,750	8
Other comprehensive income (loss)		(122)						(122)	(122)
Preferred stock dividends	[3]	(64)				(64)			(64)
Common stock dividends		(493)				(493)			(493)
Issuance of common and treasury stock		8			(4)		12		8
Purchase of treasury stock		(672)					(672)		(672)
Purchase of treasury stock, shares			(13)
Distributions to noncontrolling interests		(8)								(8)
Net other changes in noncontrolling interests		4								4
Stock option and restricted stock grants		34			34				34
Ending Balance at Jun. 30, 2018		50,257	$ 21	5,419	8,468	56,742	(18,707)	(2,315)	49,628	629
Shares, Ending Balance at Jun. 30, 2018			1,636
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)		3,536				3,520			3,520	16
Other comprehensive income (loss)		978						978	978
Preferred stock dividends	[4]	(151)				(151)			(151)
Common stock dividends		(1,184)				(1,184)			(1,184)
Issuance of common and treasury stock		24			(119)		143		24
Issuance of common and treasury stock, shares			3
Purchase of treasury stock		(1,420)					(1,420)		(1,420)
Purchase of treasury stock, shares			(27)
Distributions to noncontrolling interests		(16)								(16)
Net other changes in noncontrolling interests		(1)								(1)
Stock option and restricted stock grants		115			115				115
Ending Balance at Jun. 30, 2019		53,540	$ 21	5,984	8,465	61,252	(21,465)	(1,344)	52,913	627
Shares, Ending Balance at Jun. 30, 2019			1,584
Beginning Balance at Mar. 31, 2019		52,686	$ 21	5,984	8,432	60,092	(20,699)	(1,773)	52,057	629
Shares, Beginning Balance at Mar. 31, 2019			1,599
Net income (loss)		1,828				1,821			1,821	7
Other comprehensive income (loss)		429						429	429
Preferred stock dividends	[5]	(72)				(72)			(72)
Common stock dividends		(589)				(589)			(589)
Issuance of common and treasury stock		9			(5)		14		9
Purchase of treasury stock		(780)					(780)		(780)
Purchase of treasury stock, shares			(15)
Distributions to noncontrolling interests		(8)								(8)
Net other changes in noncontrolling interests		(1)								(1)
Stock option and restricted stock grants		38			38				38
Ending Balance at Jun. 30, 2019		$ 53,540	$ 21	$ 5,984	$ 8,465	$ 61,252	$ (21,465)	$ (1,344)	$ 52,913	$ 627
Shares, Ending Balance at Jun. 30, 2019			1,584

[1] Reflects the adoption of new accounting guidance on January 1, 2018 to reclassifiy 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 and Series J Non-Cumulative Perpetual Preferred Stock of $1,759.722, $439.93, $812.50, $643.76, 640.625 and $662.50, respectively.

[3] Reflects dividends declared per share on the Company's Series A, Series B, Series F, Series H and Series I Non-Cumulative Perpetual Preferred Stock of $884.722, $221.18, $406.25, $321.88 and $640.625, 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 $1,866.062, $439.93, $812.50, $643.76, $640.625, $662.50 and $687.50, respectively.

[5] Reflects dividends declared per share on the Company’s Series A, Series B, Series F, Series H, Series I and Series K Non-Cumulative Perpetual Preferred Stock of $914.234, $221.18, $406.25, $321.88, $640.625 and $343.75, respectively.