Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating Activities
Net income attributable to U.S. Bancorp	$ 4,403	$ 4,363
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	827	941
Depreciation and amortization of premises and equipment	230	225
Amortization of intangibles	128	148
(Gain) loss on sale of loans held for sale	(753)	(565)
(Gain) loss on sale of securities and other assets	(319)	(383)
Loans originated for sale in the secondary market, net of repayments	(33,784)	(21,374)
Proceeds from sales of loans held for sale	34,343	21,160
Other, net	1,176	(49)
Net cash provided by operating activities	6,251	4,466
Investing Activities
Proceeds from sales of available-for-sale investment securities	282	401
Proceeds from maturities of held-to-maturity investment securities	8,238	7,215
Proceeds from maturities of available-for-sale investment securities	10,354	4,944
Purchases of held-to-maturity investment securities	(7,990)	(12,571)
Purchases of available-for-sale investment securities	(14,931)	(16,627)
Net increase in loans outstanding	(7,242)	(10,043)
Proceeds from sales of loans	1,372	1,165
Purchases of loans	(2,196)	(1,703)
Acquisitions, net of cash acquired		3,436
Other, net	(998)	411
Net cash used in investing activities	(13,111)	(23,372)
Financing Activities
Net increase in deposits	12,531	6,186
Net (decrease) increase in short-term borrowings	(2,978)	2,437
Proceeds from issuance of long-term debt	4,915	12,978
Principal payments or redemption of long-term debt	(4,782)	(2,196)
Proceeds from issuance of common stock	262	377
Repurchase of common stock	(1,781)	(1,704)
Cash dividends paid on preferred stock	(182)	(181)
Cash dividends paid on common stock	(1,329)	(1,285)
Net cash provided by financing activities	6,656	16,612
Change in cash and due from banks	(204)	(2,294)
Cash and due from banks at beginning of period	10,654	8,477
Cash and due from banks at end of period	$ 10,450	$ 6,183