Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities
Net income attributable to U.S. Bancorp	$ 3,425	$ 2,973
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	668	695
Depreciation and amortization of premises and equipment	149	146
Amortization of intangibles	79	87
(Gain) loss on sale of loans held for sale	(200)	(317)
(Gain) loss on sale of securities and other assets	(203)	(282)
Loans originated for sale in the secondary market, net of repayments	(15,836)	(16,337)
Proceeds from sales of loans held for sale	16,141	17,707
Other, net	466	107
Net cash provided by operating activities	4,689	4,779
Investing Activities
Proceeds from sales of available-for-sale investment securities	1,158	2,718
Proceeds from maturities of held-to-maturity investment securities	3,274	4,094
Proceeds from maturities of available-for-sale investment securities	5,684	6,417
Purchases of held-to-maturity investment securities	(6,433)	(4,784)
Purchases of available-for-sale investment securities	(4,640)	(9,883)
Net increase in loans outstanding	(882)	(4,122)
Proceeds from sales of loans	2,347	851
Purchases of loans	(1,924)	(1,537)
Other, net	(753)	(568)
Net cash used in investing activities	(2,169)	(6,814)
Financing Activities
Net (decrease) increase in deposits	(7,135)	12,672
Net increase in short-term borrowings	1,485	449
Proceeds from issuance of long-term debt	6,230	6,698
Principal payments or redemption of long-term debt	(1,233)	(2,175)
Proceeds from issuance of preferred stock		993
Proceeds from issuance of common stock	45	127
Repurchase of preferred stock		(1,085)
Repurchase of common stock	(1,266)	(1,282)
Cash dividends paid on preferred stock	(134)	(149)
Cash dividends paid on common stock	(996)	(954)
Net cash (used in) provided by financing activities	(3,004)	15,294
Change in cash and due from banks	(484)	13,259
Cash and due from banks at beginning of period	19,505	15,705
Cash and due from banks at end of period	$ 19,021	$ 28,964