Consolidated Statement of Income (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Interest Income
Loans	$ 2,621	$ 2,560	$ 7,736	$ 7,580
Loans held for sale	42	71	139	162
Investment securities	470	400	1,357	1,204
Other interest income	67	46	187	119
Total interest income	3,200	3,077	9,419	9,065
Interest Expense
Deposits	202	231	646	696
Short-term borrowings	143	149	407	414
Long-term debt	289	273	860	822
Total interest expense	634	653	1,913	1,932
Net interest income	2,566	2,424	7,506	7,133
Provision for credit losses	519	995	1,846	3,444
Net interest income after provision for credit losses	2,047	1,429	5,660	3,689
Noninterest Income
Credit and debit card revenue	289	274	842	798
Corporate payment products revenue	203	191	563	537
Merchant processing services	338	318	977	930
ATM processing services	115	105	341	318
Trust and investment management fees	241	267	755	798
Deposit service charges	183	160	488	566
Treasury management fees	137	139	418	421
Commercial products revenue	212	197	621	563
Mortgage banking revenue	245	310	683	753
Investment products fees and commissions	31	27	98	82
Securities gains (losses), net
Realized gains (losses), net		9	2	21
Total other-than-temporary impairment	(11)	(28)	(41)	(145)
Portion of other-than-temporary impairment recognized in other comprehensive income	2	10	17	60
Total securities gains (losses), net	(9)	(9)	(22)	(64)
Other	186	131	565	436
Total noninterest income	2,171	2,110	6,329	6,138
Noninterest Expense
Compensation	1,021	973	2,984	2,780
Employee benefits	203	171	643	523
Net occupancy and equipment	252	229	750	682
Professional services	100	78	252	209
Marketing and business development	102	108	257	254
Technology and communications	189	186	563	557
Postage, printing and supplies	76	74	226	223
Other intangibles	75	90	225	278
Other	458	476	1,315	1,392
Total noninterest expense	2,476	2,385	7,215	6,898
Income before income taxes	1,742	1,154	4,774	2,929
Applicable income taxes	490	260	1,314	620
Net income	1,252	894	3,460	2,309
Net (income) loss attributable to noncontrolling interests	21	14	62	34
Net income attributable to U.S. Bancorp	1,273	908	3,522	2,343
Net income applicable to U.S. Bancorp common shareholders	$ 1,237	$ 871	$ 3,407	$ 2,381
Earnings per common share	$ 0.65	$ 0.46	$ 1.78	$ 1.25
Diluted earnings per common share	$ 0.64	$ 0.45	$ 1.77	$ 1.24
Dividends declared per common share	$ 0.125	$ 0.050	$ 0.375	$ 0.150
Average common shares outstanding	1,915	1,913	1,918	1,911
Average diluted common shares outstanding	1,922	1,920	1,926	1,920