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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		4,597			4,582						4,582					15
Other comprehensive income (loss)		(848)			(848)										(848)
Preferred stock dividends	[2]	(273)			(273)						(273)
Common stock dividends		(2,233)			(2,233)						(2,233)
Issuance of common and treasury stock (in shares)								27
Issuance of common and treasury stock		931			931					(215)				1,146
Purchase of treasury stock (in shares)								(1)
Purchase of treasury stock		(45)			(45)									(45)
Distributions to noncontrolling interests		(15)														(15)
Net other changes in noncontrolling interests		(1)														(1)
Stock option and restricted stock grants		187			187					187
Ending Balance (in shares) at Sep. 30, 2023								1,557
Ending Balance at Sep. 30, 2023		$ 53,578			53,113			$ 21	6,808	8,684	74,023			(24,168)	(12,255)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]		Accounting Standards Update 2022-02 [Member]
Beginning Balance (in shares) at Jun. 30, 2023								1,533
Beginning Balance at Jun. 30, 2023		$ 53,484			53,019			$ 21	6,808	8,742	73,355			(25,189)	(10,718)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,524			1,523						1,523					1
Other comprehensive income (loss)		(1,537)			(1,537)										(1,537)
Preferred stock dividends	[3]	(102)			(102)						(102)
Common stock dividends		(753)			(753)						(753)
Issuance of common and treasury stock (in shares)								24
Issuance of common and treasury stock		923			923					(99)				1,022
Purchase of treasury stock		(1)			(1)									(1)
Distributions to noncontrolling interests		(1)														(1)
Stock option and restricted stock grants		41			41					41
Ending Balance (in shares) at Sep. 30, 2023								1,557
Ending Balance at Sep. 30, 2023		53,578			53,113			$ 21	6,808	8,684	74,023			(24,168)	(12,255)	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)		4,659			4,636						4,636					23
Other comprehensive income (loss)		1,350			1,350										1,350
Preferred stock dividends	[4]	(280)			(280)						(280)
Common stock dividends		(2,325)			(2,325)						(2,325)
Issuance of common and treasury stock (in shares)								4
Issuance of common and treasury stock		24			24					(143)				167
Purchase of treasury stock (in shares)								(1)
Purchase of treasury stock		(51)			(51)									(51)
Distributions to noncontrolling interests		(23)														(23)
Net other changes in noncontrolling interests		(3)														(3)
Stock option and restricted stock grants		199			199					199
Ending Balance (in shares) at Sep. 30, 2024								1,561
Ending Balance at Sep. 30, 2024		59,321			58,859			$ 21	6,808	8,729	76,057			(24,010)	(8,746)	462
Beginning Balance (in shares) at Jun. 30, 2024								1,560
Beginning Balance at Jun. 30, 2024		56,885			56,420			$ 21	6,808	8,688	75,231			(24,020)	(10,308)	465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,722			1,714						1,714					8
Other comprehensive income (loss)		1,562			1,562										1,562
Preferred stock dividends	[5]	(103)			(103)						(103)
Common stock dividends		(785)			(785)						(785)
Issuance of common and treasury stock (in shares)								1
Issuance of common and treasury stock		10			10					(1)				11
Purchase of treasury stock		(1)			(1)									(1)
Distributions to noncontrolling interests		(8)														(8)
Net other changes in noncontrolling interests		(3)														(3)
Stock option and restricted stock grants		42			42					42
Ending Balance (in shares) at Sep. 30, 2024								1,561
Ending Balance at Sep. 30, 2024		$ 59,321			$ 58,859			$ 21	$ 6,808	$ 8,729	$ 76,057			$ (24,010)	$ (8,746)	$ 462

[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 $4,733.948, $1,103.862, $1,325.00, $1,031.25, $703.125, $750.00, $693.75 and $843.75, respectively.

[3] 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 $1,684.00, $394.167, $662.50, $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 $5,020.442, $1,175.194, $1,325.00, $1,031.25, $703.125, $750.00, $693.75 and $843.75, respectively.

[5] 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 $1,682.317, $393.746, $662.50, $343.75, $234.375, $250.00, $231.25 and $281.25, respectively.