Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net income attributable to U.S. Bancorp	$ 2,973	$ 2,908
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	695	657
Depreciation and amortization of premises and equipment	146	147
Amortization of intangibles	87	89
(Gain) loss on sale of loans held for sale	(317)	(433)
(Gain) loss on sale of securities and other assets	(282)	(354)
Loans originated for sale in the secondary market, net of repayments	(16,337)	(19,753)
Proceeds from sales of loans held for sale	17,707	18,887
Other, net	107	536
Net cash provided by operating activities	4,779	2,684
Investing Activities
Proceeds from sales of available-for-sale investment securities	2,718	5,071
Proceeds from maturities of held-to-maturity investment securities	4,094	4,503
Proceeds from maturities of available-for-sale investment securities	6,417	6,439
Purchases of held-to-maturity investment securities	(4,784)	(2,963)
Purchases of available-for-sale investment securities	(9,883)	(15,204)
Net increase in loans outstanding	(4,122)	(8,025)
Proceeds from sales of loans	851	782
Purchases of loans	(1,537)	(1,123)
Other, net	(568)	426
Net cash used in investing activities	(6,814)	(10,094)
Financing Activities
Net increase in deposits	12,672	17,192
Net increase (decrease) in short-term borrowings	449	(9,444)
Proceeds from issuance of long-term debt	6,698	9,149
Principal payments or redemption of long-term debt	(2,175)	(4,384)
Proceeds from issuance of preferred stock	993
Proceeds from issuance of common stock	127	113
Repurchase of preferred stock	(1,085)
Repurchase of common stock	(1,282)	(1,267)
Cash dividends paid on preferred stock	(149)	(127)
Cash dividends paid on common stock	(954)	(891)
Purchase of noncontrolling interests		(40)
Net cash provided by financing activities	15,294	10,301
Change in cash and due from banks	13,259	2,891
Cash and due from banks at beginning of period	15,705	11,147
Cash and due from banks at end of period	$ 28,964	$ 14,038