Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Activities
Net income attributable to U.S. Bancorp	$ 1,386	$ 1,431
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	330	264
Depreciation and amortization of premises and equipment	74	77
Amortization of intangibles	45	43
(Gain) loss on sale of loans held for sale	(194)	(259)
(Gain) loss on sale of securities and other assets	(90)	(63)
Loans originated for sale in the secondary market, net of repayments	(8,883)	(10,008)
Proceeds from sales of loans held for sale	8,198	9,885
Other, net	395	381
Net cash provided by operating activities	1,261	1,751
Investing Activities
Proceeds from sales of available-for-sale investment securities	530	123
Proceeds from maturities of held-to-maturity investment securities	2,088	2,334
Proceeds from maturities of available-for-sale investment securities	3,212	3,100
Purchases of held-to-maturity investment securities	(625)	(2,977)
Purchases of available-for-sale investment securities	(6,183)	(3,783)
Net increase in loans outstanding	(3,702)	(843)
Proceeds from sales of loans	299	441
Purchases of loans	(658)	(492)
Other, net	150	(404)
Net cash used in investing activities	(4,889)	(2,501)
Financing Activities
Net increase in deposits	5,950	3,868
Net decrease in short-term borrowings	(4,100)	(1,667)
Proceeds from issuance of long-term debt	6,607	3,322
Principal payments or redemption of long-term debt	(3,907)	(543)
Proceeds from issuance of common stock	33	152
Repurchase of common stock	(568)	(464)
Cash dividends paid on preferred stock	(66)	(61)
Cash dividends paid on common stock	(447)	(439)
Purchase of noncontrolling interests	(40)
Net cash provided by financing activities	3,462	4,168
Change in cash and due from banks	(166)	3,418
Cash and due from banks at beginning of period	11,147	10,654
Cash and due from banks at end of period	$ 10,981	$ 14,072