Business Segments (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($) segment	Mar. 31, 2024 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	3
Number of reportable segments | segment	3
Condensed Income Statement
Net interest income (taxable-equivalent basis)	$ 4,122	$ 4,015
Noninterest income	2,836	2,700
Total net revenue	6,958	6,715
Compensation and employee benefits	2,637	2,691
Other intangibles	123	146
Net shared services	0	0
Other direct expenses	1,472	1,622
Total noninterest expense	4,232	4,459
Income (loss) before provision and income taxes	2,726	2,256
Provision for credit losses	537	553
Income (loss) before income taxes	2,189	1,703
Income taxes and taxable-equivalent adjustment	473	377
Net income	1,716	1,326
Net (income) loss attributable to noncontrolling interests	(7)	(7)
Net income attributable to U.S. Bancorp	1,709	1,319
Average Balance Sheet
Loans	379,028	371,070
Other earning assets	231,202	225,065
Goodwill	12,541	12,482
Other intangible assets	5,488	6,065
Assets	669,393	653,909
Noninterest-bearing deposits	79,696	84,787
Interest-bearing deposits	426,838	418,274
Total deposits	506,534	503,061
Total U.S. Bancorp shareholders’ equity	59,611	55,667
Taxable-equivalent adjustment to net interest income	30	30
Lease revenue	197	187
Wealth, Corporate, Commercial and Institutional Banking
Condensed Income Statement
Net interest income (taxable-equivalent basis)	1,743	1,910
Noninterest income	1,167	1,112
Total net revenue	2,910	3,022
Compensation and employee benefits	536	565
Other intangibles	46	52
Net shared services	515	522
Other direct expenses	241	241
Total noninterest expense	1,338	1,380
Income (loss) before provision and income taxes	1,572	1,642
Provision for credit losses	10	141
Income (loss) before income taxes	1,562	1,501
Income taxes and taxable-equivalent adjustment	391	375
Net income	1,171	1,126
Net (income) loss attributable to noncontrolling interests	0	0
Net income attributable to U.S. Bancorp	1,171	1,126
Average Balance Sheet
Loans	177,973	171,137
Other earning assets	11,957	8,738
Goodwill	4,824	4,824
Other intangible assets	863	1,059
Assets	208,621	199,260
Noninterest-bearing deposits	55,093	58,555
Interest-bearing deposits	214,318	208,309
Total deposits	269,411	266,864
Total U.S. Bancorp shareholders’ equity	21,549	21,760
Consumer and Business Banking
Condensed Income Statement
Net interest income (taxable-equivalent basis)	1,759	1,879
Noninterest income	407	424
Total net revenue	2,166	2,303
Compensation and employee benefits	526	558
Other intangibles	59	67
Net shared services	684	700
Other direct expenses	304	298
Total noninterest expense	1,573	1,623
Income (loss) before provision and income taxes	593	680
Provision for credit losses	62	54
Income (loss) before income taxes	531	626
Income taxes and taxable-equivalent adjustment	133	157
Net income	398	469
Net (income) loss attributable to noncontrolling interests	0	0
Net income attributable to U.S. Bancorp	398	469
Average Balance Sheet
Loans	153,945	154,956
Other earning assets	1,778	1,879
Goodwill	4,325	4,326
Other intangible assets	4,368	4,696
Assets	166,532	169,195
Noninterest-bearing deposits	19,181	21,389
Interest-bearing deposits	200,833	198,798
Total deposits	220,014	220,187
Total U.S. Bancorp shareholders’ equity	13,706	14,851
Payment Services
Condensed Income Statement
Net interest income (taxable-equivalent basis)	742	702
Noninterest income	1,036	979
Total net revenue	1,778	1,681
Compensation and employee benefits	223	226
Other intangibles	18	27
Net shared services	539	520
Other direct expenses	228	234
Total noninterest expense	1,008	1,007
Income (loss) before provision and income taxes	770	674
Provision for credit losses	317	359
Income (loss) before income taxes	453	315
Income taxes and taxable-equivalent adjustment	113	79
Net income	340	236
Net (income) loss attributable to noncontrolling interests	0	0
Net income attributable to U.S. Bancorp	340	236
Average Balance Sheet
Loans	41,611	39,803
Other earning assets	57	153
Goodwill	3,392	3,332
Other intangible assets	249	300
Assets	46,829	46,814
Noninterest-bearing deposits	2,682	2,791
Interest-bearing deposits	95	97
Total deposits	2,777	2,888
Total U.S. Bancorp shareholders’ equity	10,229	9,965
Rewards and rebate costs and certain partner payments	741	739
Revenue generated from certain contracts with customers	2,300	2,200
Treasury and Corporate Support
Condensed Income Statement
Net interest income (taxable-equivalent basis)	(122)	(476)
Noninterest income	226	185
Total net revenue	104	(291)
Compensation and employee benefits	1,352	1,342
Other intangibles	0	0
Net shared services	(1,738)	(1,742)
Other direct expenses	699	849
Total noninterest expense	313	449
Income (loss) before provision and income taxes	(209)	(740)
Provision for credit losses	148	(1)
Income (loss) before income taxes	(357)	(739)
Income taxes and taxable-equivalent adjustment	(164)	(234)
Net income	(193)	(505)
Net (income) loss attributable to noncontrolling interests	(7)	(7)
Net income attributable to U.S. Bancorp	(200)	(512)
Average Balance Sheet
Loans	5,499	5,174
Other earning assets	217,410	214,295
Goodwill	0	0
Other intangible assets	8	10
Assets	247,411	238,640
Noninterest-bearing deposits	2,740	2,052
Interest-bearing deposits	11,592	11,070
Total deposits	14,332	13,122
Total U.S. Bancorp shareholders’ equity	$ 14,127	$ 9,091