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)		1,682				1,675			1,675	7
Other comprehensive income (loss)		(489)						(489)	(489)
Preferred stock dividends	[2]	(70)				(70)			(70)
Common stock dividends		$ (497)				(497)			(497)
Common stock dividends, share		$ 0.30
Issuance of common and treasury stock		$ 40			(109)		149		40
Issuance of common and treasury stock, shares			4
Purchase of treasury stock		(594)					(594)		(594)
Purchase of treasury stock, shares			(11)
Distributions to noncontrolling interests		(7)								(7)
Net other changes in noncontrolling interests		(1)								(1)
Stock option and restricted stock grants		83			83				83
Ending Balance at Mar. 31, 2018		49,812	$ 21	5,419	8,438	55,549	(18,047)	(2,193)	49,187	625
Shares, Ending Balance at Mar. 31, 2018			1,649
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)		1,708				1,699			1,699	9
Other comprehensive income (loss)		549						549	549
Preferred stock dividends	[3]	(79)				(79)			(79)
Common stock dividends		$ (595)				(595)			(595)
Common stock dividends, share		$ 0.37
Issuance of common and treasury stock		$ 15			(114)		129		15
Issuance of common and treasury stock, shares			3
Purchase of treasury stock		(640)					(640)		(640)
Purchase of treasury stock, shares			(12)
Distributions to noncontrolling interests		(8)								(8)
Stock option and restricted stock grants		77			77				77
Ending Balance at Mar. 31, 2019		$ 52,686	$ 21	$ 5,984	$ 8,432	$ 60,092	$ (20,699)	$ (1,773)	$ 52,057	$ 629
Shares, Ending Balance at Mar. 31, 2019			1,599

[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 and Series J Non-Cumulative Perpetual Preferred Stock of $875.00, $218.75, $406.25, $321.88 and $662.50, 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 $951.828, $218.75, $406.25, $321.88, $662.50 and $343.75, respectively.