Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income attributable to U.S. Bancorp	$ 4,363	$ 4,380
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	941	1,063
Depreciation and amortization of premises and equipment	225	222
Amortization of intangibles	148	167
Provision for deferred income taxes	(36)	(38)
(Gain) loss on sale of loans held for sale	(565)	(864)
(Gain) loss on sale of securities and other assets	(383)	(42)
Loans originated for sale in the secondary market, net of repayments	(21,374)	(49,411)
Proceeds from sales of loans held for sale	21,160	53,845
Other, net	(13)	(665)
Net cash provided by operating activities	4,466	8,657
Investing Activities
Proceeds from sales of available-for-sale investment securities	401	766
Proceeds from maturities of held-to-maturity investment securities	7,215	6,854
Proceeds from maturities of available-for-sale investment securities	4,944	8,395
Purchases of held-to-maturity investment securities	(12,571)	(9,439)
Purchases of available-for-sale investment securities	(16,627)	(9,381)
Net increase in loans outstanding	(10,043)	(8,495)
Proceeds from sales of loans	1,165	620
Purchases of loans	(1,703)	(1,883)
Acquisitions, net of cash acquired	3,436
Other, net	411	(100)
Net cash used in investing activities	(23,372)	(12,663)
Financing Activities
Net increase in deposits	6,186	12,533
Net increase (decrease) in short-term borrowings	2,437	(174)
Proceeds from issuance of long-term debt	12,978	198
Principal payments or redemption of long-term debt	(2,196)	(2,380)
Proceeds from issuance of preferred stock		487
Proceeds from issuance of common stock	377	331
Redemption of preferred stock		(500)
Repurchase of common stock	(1,704)	(1,779)
Cash dividends paid on preferred stock	(181)	(193)
Cash dividends paid on common stock	(1,285)	(1,154)
Net cash provided by financing activities	16,612	7,369
Change in cash and due from banks	(2,294)	3,363
Cash and due from banks at beginning of period	8,477	8,252
Cash and due from banks at end of period	$ 6,183	$ 11,615