Business Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Condensed Income Statement
Net interest income (taxable-equivalent basis)	$ 4,015	$ 4,668
Noninterest income	2,700	2,507
Total net revenue	6,715	7,175
Noninterest expense	4,459	4,555
Income (loss) before provision and income taxes	2,256	2,620
Provision for credit losses	553	427
Income (loss) before income taxes	1,703	2,193
Income taxes and taxable-equivalent adjustment	377	489
Net income (loss)	1,326	1,704
Net (income) loss attributable to noncontrolling interests	(7)	(6)
Net income attributable to U.S. Bancorp	1,319	1,698
Average Balance Sheet
Loans	371,070	386,750
Other earning assets	225,065	220,864
Goodwill	12,482	12,422
Other intangible assets	6,065	7,049
Assets	653,909	665,447
Noninterest-bearing deposits	84,787	129,741
Interest-bearing deposits	418,274	380,583
Total deposits	503,061	510,324
Total U.S. Bancorp shareholders’ equity	55,667	52,667
Lease revenue	187	183
Wealth, Corporate, Commercial and Institutional Banking
Condensed Income Statement
Net interest income (taxable-equivalent basis)	1,265	1,550
Noninterest income	1,113	1,020
Total net revenue	2,378	2,570
Noninterest expense	1,372	1,340
Income (loss) before provision and income taxes	1,006	1,230
Provision for credit losses	138	(26)
Income (loss) before income taxes	868	1,256
Income taxes and taxable-equivalent adjustment	217	314
Net income (loss)	651	942
Net (income) loss attributable to noncontrolling interests	0	0
Net income attributable to U.S. Bancorp	651	942
Average Balance Sheet
Loans	170,965	177,011
Other earning assets	8,740	6,027
Goodwill	4,825	4,614
Other intangible assets	1,059	1,034
Assets	199,085	201,182
Noninterest-bearing deposits	58,446	82,403
Interest-bearing deposits	203,980	196,843
Total deposits	262,426	279,246
Total U.S. Bancorp shareholders’ equity	21,749	21,536
Consumer and Business Banking
Condensed Income Statement
Net interest income (taxable-equivalent basis)	2,014	2,341
Noninterest income	423	401
Total net revenue	2,437	2,742
Noninterest expense	1,580	1,707
Income (loss) before provision and income taxes	857	1,035
Provision for credit losses	55	7
Income (loss) before income taxes	802	1,028
Income taxes and taxable-equivalent adjustment	201	258
Net income (loss)	601	770
Net (income) loss attributable to noncontrolling interests	0	0
Net income attributable to U.S. Bancorp	601	770
Average Balance Sheet
Loans	154,933	167,409
Other earning assets	1,879	2,179
Goodwill	4,325	4,493
Other intangible assets	4,696	5,594
Assets	169,177	185,245
Noninterest-bearing deposits	21,500	41,269
Interest-bearing deposits	203,343	176,797
Total deposits	224,843	218,066
Total U.S. Bancorp shareholders’ equity	14,848	16,565
Payment Services
Condensed Income Statement
Net interest income (taxable-equivalent basis)	735	655
Noninterest income	980	937
Total net revenue	1,715	1,592
Noninterest expense	1,025	959
Income (loss) before provision and income taxes	690	633
Provision for credit losses	359	220
Income (loss) before income taxes	331	413
Income taxes and taxable-equivalent adjustment	83	103
Net income (loss)	248	310
Net (income) loss attributable to noncontrolling interests	0	0
Net income attributable to U.S. Bancorp	248	310
Average Balance Sheet
Loans	39,803	36,935
Other earning assets	153	302
Goodwill	3,332	3,315
Other intangible assets	300	385
Assets	46,816	42,858
Noninterest-bearing deposits	2,791	3,184
Interest-bearing deposits	97	108
Total deposits	2,888	3,292
Total U.S. Bancorp shareholders’ equity	9,965	8,968
Rewards and rebate costs and certain partner payments	739	717
Revenue generated from certain contracts with customers	2,200	2,100
Treasury and Corporate Support
Condensed Income Statement
Net interest income (taxable-equivalent basis)	1	122
Noninterest income	184	149
Total net revenue	185	271
Noninterest expense	482	549
Income (loss) before provision and income taxes	(297)	(278)
Provision for credit losses	1	226
Income (loss) before income taxes	(298)	(504)
Income taxes and taxable-equivalent adjustment	(124)	(186)
Net income (loss)	(174)	(318)
Net (income) loss attributable to noncontrolling interests	(7)	(6)
Net income attributable to U.S. Bancorp	(181)	(324)
Average Balance Sheet
Loans	5,369	5,395
Other earning assets	214,293	212,356
Goodwill	0	0
Other intangible assets	10	36
Assets	238,831	236,162
Noninterest-bearing deposits	2,050	2,885
Interest-bearing deposits	10,854	6,835
Total deposits	12,904	9,720
Total U.S. Bancorp shareholders’ equity	$ 9,105	$ 5,598