Consolidated Statement of Shareholders' Equity - USD ($) shares in Millions, $ in Millions		Total	Change in accounting principle	[1]	Total U.S. Bancorp Shareholders’ Equity	Total U.S. Bancorp Shareholders’ Equity Change in accounting principle	[1]	Common Stock	Preferred Stock	Capital Surplus	Retained Earnings	Retained Earnings Change in accounting principle	[1]	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Beginning Balance (in shares) at Dec. 31, 2022								1,531
Beginning Balance at Dec. 31, 2022		$ 51,232	$ 46		$ 50,766	$ 46		$ 21	$ 6,808	$ 8,712	$ 71,901	$ 46		$ (25,269)	$ (11,407)	$ 466
Ending Balance (in shares) at Mar. 31, 2023								1,533
Ending Balance at Mar. 31, 2023		$ 53,454			52,989			$ 21	6,808	8,699	72,807			(25,193)	(10,153)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]		Accounting Standards Update 2022-02 [Member]
Beginning Balance (in shares) at Dec. 31, 2022								1,531
Beginning Balance at Dec. 31, 2022		$ 51,232	$ 46		50,766	$ 46		$ 21	6,808	8,712	71,901	$ 46		(25,269)	(11,407)	466
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		3,073			3,059						3,059					14
Other comprehensive income (loss)		689			689										689
Preferred stock dividends	[2]	(171)			(171)						(171)
Common stock dividends		(1,480)			(1,480)						(1,480)
Issuance of common and treasury stock (in shares)								3
Issuance of common and treasury stock		8			8					(116)				124
Purchase of treasury stock (in shares)								(1)
Purchase of treasury stock		(44)			(44)									(44)
Distributions to noncontrolling interests		(14)														(14)
Net other changes in noncontrolling interests		(1)														(1)
Stock option and restricted stock grants		146			146					146
Ending Balance (in shares) at Jun. 30, 2023								1,533
Ending Balance at Jun. 30, 2023		53,484			53,019			$ 21	6,808	8,742	73,355			(25,189)	(10,718)	465
Beginning Balance (in shares) at Mar. 31, 2023								1,533
Beginning Balance at Mar. 31, 2023		53,454			52,989			$ 21	6,808	8,699	72,807			(25,193)	(10,153)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,369			1,361						1,361					8
Other comprehensive income (loss)		(565)			(565)										(565)
Preferred stock dividends	[3]	(73)			(73)						(73)
Common stock dividends		(740)			(740)						(740)
Issuance of common and treasury stock		2			2					(2)				4
Distributions to noncontrolling interests		(7)														(7)
Net other changes in noncontrolling interests		(1)														(1)
Stock option and restricted stock grants		45			45					45
Ending Balance (in shares) at Jun. 30, 2023								1,533
Ending Balance at Jun. 30, 2023		53,484			53,019			$ 21	6,808	8,742	73,355			(25,189)	(10,718)	465
Beginning Balance (in shares) at Dec. 31, 2023								1,558
Beginning Balance at Dec. 31, 2023		55,771			55,306			$ 21	6,808	8,673	74,026			(24,126)	(10,096)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		2,937			2,922						2,922					15
Other comprehensive income (loss)		(212)			(212)										(212)
Preferred stock dividends	[4]	(177)			(177)						(177)
Common stock dividends		(1,540)			(1,540)						(1,540)
Issuance of common and treasury stock (in shares)								3
Issuance of common and treasury stock		14			14					(142)				156
Purchase of treasury stock (in shares)								(1)
Purchase of treasury stock		(50)			(50)									(50)
Distributions to noncontrolling interests		(15)														(15)
Stock option and restricted stock grants		157			157					157
Ending Balance (in shares) at Jun. 30, 2024								1,560
Ending Balance at Jun. 30, 2024		56,885			56,420			$ 21	6,808	8,688	75,231			(24,020)	(10,308)	465
Beginning Balance (in shares) at Mar. 31, 2024								1,560
Beginning Balance at Mar. 31, 2024		56,033			55,568			$ 21	6,808	8,642	74,473			(24,023)	(10,353)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,611			1,603						1,603					8
Other comprehensive income (loss)		45			45										45
Preferred stock dividends	[5]	(75)			(75)						(75)
Common stock dividends		(770)			(770)						(770)
Issuance of common and treasury stock		1			1					(3)				4
Purchase of treasury stock		(1)			(1)									(1)
Distributions to noncontrolling interests		(8)														(8)
Stock option and restricted stock grants		49			49					49
Ending Balance (in shares) at Jun. 30, 2024								1,560
Ending Balance at Jun. 30, 2024		$ 56,885			$ 56,420			$ 21	$ 6,808	$ 8,688	$ 75,231			$ (24,020)	$ (10,308)	$ 465

[1] Effective January 1, 2023, the Company adopted accounting guidance which removed the separate recognition and measurement of troubled debt restructurings. Upon adoption, the Company reduced its allowance for credit losses and increased retained earnings net of deferred taxes through a cumulative-effect adjustment.

[2] Reflects dividends declared per share on the Company’s Series A, Series B, Series J, Series K, Series L, Series M, Series N and Series O Non-Cumulative Perpetual Preferred Stock of $3,049.948, $709.695, $662.50, $687.50, $468.75, $500.00, $462.50 and $562.50, respectively.

[3] Reflects dividends declared per share on the Company’s Series A, Series B, Series K, Series L, Series M, Series N and Series O Non-Cumulative Perpetual Preferred Stock of $1,587.52, $370.338, $343.75, $234.375, $250.00, $231.25 and $281.25, respectively.

[4] Reflects dividends declared per share on the Company’s Series A, Series B, Series J, Series K, Series L, Series M, Series N and Series O Non-Cumulative Perpetual Preferred Stock of $3,338.125, $781.448, $662.50, $687.50, $468.750, $500.00, $462.50 and $562.50, respectively.

[5] Reflects dividends declared per share on the Company’s Series A, Series B, Series K, Series L, Series M, Series N and Series O Non-Cumulative Perpetual Preferred Stock of $1,670.904, $391.184, $343.75, $234.375, $250.00, $231.25 and $281.25, respectively.