Consolidated Statement of Shareholders' Equity - 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, 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	[1]	(79)				(79)			(79)
Common stock dividends		(595)				(595)			(595)
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
Shares, Ending Balance at Mar. 31, 2019			1,599
Ending Balance at Mar. 31, 2019		52,686	$ 21	5,984	8,432	60,092	(20,699)	(1,773)	52,057	629
Beginning Balance at Dec. 31, 2019		52,483	$ 21	5,984	8,475	63,186	(24,440)	(1,373)	51,853	630
Shares, Beginning Balance at Dec. 31, 2019			1,534
Change in accounting principle at Dec. 31, 2019	[2]	(1,099)				(1,099)			(1,099)
Net income (loss)		1,179				1,171			1,171	8
Other comprehensive income (loss)		1,876						1,876	1,876
Preferred stock dividends	[3]	(78)				(78)			(78)
Common stock dividends		(636)				(636)			(636)
Issuance of common and treasury stock		9			(108)		117		9
Issuance of common and treasury stock, shares			3
Purchase of treasury stock		(1,649)					(1,649)		(1,649)
Purchase of treasury stock, shares			(31)
Distributions to noncontrolling interests		(8)								(8)
Stock option and restricted stock grants		85			85				85
Shares, Ending Balance at Mar. 31, 2020			1,506
Ending Balance at Mar. 31, 2020		$ 52,162	$ 21	$ 5,984	$ 8,452	$ 62,544	$ (25,972)	$ 503	$ 51,532	$ 630

[1] 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.

[2] Effective January 1, 2020, the Company adopted accounting guidance which changed impairment recognition of financial instruments to a model that is based on expected losses rather than incurred losses. Upon adoption, the Company increased its allowance for credit losses and reduced retained earnings net of deferred tax liabilities through a cumulative-effect adjustment.

[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 $884.722, $221.18, $406.25, $321.88, $662.50 and $343.75, respectively.