Consolidated Balance Sheet [Unaudited] (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Assets
Cash and due from banks	$ 6,932		$ 8,252
Investment securities
Held-to-maturity (fair value $35,183 and $34,952, respectively; including $994 and $1,482 at fair value pledged as collateral, respectively)	34,716	[1]	34,389	[1]
Available-for-sale ($1,497 and $2,042 pledged as collateral, respectively)	40,570	[1]	40,139	[1]
Loans held for sale (including $7,562 and $7,957 of mortgage loans carried at fair value, respectively)	7,719		7,976
Loans
Commercial	66,323		66,223
Commercial real estate	37,400		36,953
Residential mortgages	45,984		44,018
Credit card	16,229		17,115
Other retail	46,680		47,712
Total loans, excluding covered loans	212,616		212,021
Covered loans	10,735		11,308
Total loans	223,351		223,329
Less allowance for loan losses	(4,390)		(4,424)
Net loans	218,961		218,905
Premises and equipment	2,656		2,670
Goodwill	9,152		9,143
Other intangible assets	2,918		2,706
Other assets (including $63 and $47 of trading securities at fair value pledged as collateral, respectively)	31,823	[1]	29,675	[1]
Total assets	355,447		353,855
Deposits
Noninterest-bearing	67,802		74,172
Interest-bearing	148,906		145,972
Time deposits greater than $100,000	31,304		29,039
Total deposits	248,012		249,183
Short-term borrowings	27,126		26,302
Long-term debt	25,239		25,516
Other liabilities	14,223		12,587
Total liabilities	314,600		313,588
Shareholders' equity
Preferred stock	4,769		4,769
Common stock, par value $0.01 a share-authorized: 4,000,000,000 shares; issued: 3/31/13 and 12/31/12 - 2,125,725,742 shares	21		21
Capital surplus	8,138		8,201
Retained earnings	35,720		34,720
Less cost of common stock in treasury: 3/31/13-267,239,988 shares; 12/31/12 - 256,294,227 shares	(8,176)		(7,790)
Accumulated other comprehensive income (loss)	(941)		(923)
Total U.S. Bancorp shareholders' equity	39,531		38,998
Noncontrolling interests	1,316		1,269
Total equity	40,847		40,267
Total liabilities and equity	$ 355,447		$ 353,855

[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.