Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating Activities
Net income attributable to U.S. Bancorp	$ 4,536	$ 4,410
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	1,055	982
Depreciation and amortization of premises and equipment	219	219
Amortization of intangibles	131	134
(Gain) loss on sale of loans held for sale	(544)	(753)
(Gain) loss on sale of securities and other assets	(387)	(463)
Loans originated for sale in the secondary market, net of repayments	(26,080)	(31,975)
Proceeds from sales of loans held for sale	27,481	30,033
Other, net	230	651
Net cash provided by operating activities	6,641	3,238
Investing Activities
Proceeds from sales of available-for-sale investment securities	3,063	8,171
Proceeds from maturities of held-to-maturity investment securities	6,348	7,116
Proceeds from maturities of available-for-sale investment securities	9,459	10,252
Purchases of held-to-maturity investment securities	(7,403)	(6,428)
Purchases of available-for-sale investment securities	(13,575)	(22,897)
Net increase in loans outstanding	(5,698)	(11,063)
Proceeds from sales of loans	1,348	1,782
Purchases of loans	(2,245)	(2,136)
Other, net	(617)	(38)
Net cash used in investing activities	(9,320)	(15,241)
Financing Activities
Net increase in deposits	7,999	34,197
Net increase (decrease) in short-term borrowings	1,893	(12,182)
Proceeds from issuance of long-term debt	7,726	10,631
Principal payments or redemption of long-term debt	(6,561)	(4,806)
Proceeds from issuance of preferred stock	993
Proceeds from issuance of common stock	138	159
Repurchase of preferred stock	(1,085)
Repurchase of common stock	(1,950)	(1,902)
Cash dividends paid on preferred stock	(213)	(206)
Cash dividends paid on common stock	(1,426)	(1,331)
Purchase of noncontrolling interests		(40)
Net cash provided by financing activities	7,514	24,520
Change in cash and due from banks	4,835	12,517
Cash and due from banks at beginning of period	15,705	11,147
Cash and due from banks at end of period	$ 20,540	$ 23,664