Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities
Net income attributable to U.S. Bancorp	$ 5,240	$ 4,536
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	1,011	1,055
Depreciation and amortization of premises and equipment	226	219
Amortization of intangibles	120	131
(Gain) loss on sale of loans held for sale	(330)	(544)
(Gain) loss on sale of securities and other assets	(309)	(387)
Loans originated for sale in the secondary market, net of repayments	(23,418)	(26,080)
Proceeds from sales of loans held for sale	23,747	27,481
Other, net	1,627	230
Net cash provided by operating activities	7,914	6,641
Investing Activities
Proceeds from sales of available-for-sale investment securities	1,304	3,063
Proceeds from maturities of held-to-maturity investment securities	5,072	6,348
Proceeds from maturities of available-for-sale investment securities	8,757	9,459
Purchases of held-to-maturity investment securities	(8,229)	(7,403)
Purchases of available-for-sale investment securities	(6,848)	(13,575)
Net increase in loans outstanding	(3,241)	(5,698)
Proceeds from sales of loans	2,608	1,348
Purchases of loans	(2,748)	(2,245)
Other, net	(895)	(617)
Net cash used in investing activities	(4,220)	(9,320)
Financing Activities
Net (decrease) increase in deposits	(16,037)	7,999
Net increase in short-term borrowings	7,217	1,893
Proceeds from issuance of long-term debt	10,082	7,726
Principal payments or redemption of long-term debt	(1,326)	(6,561)
Proceeds from issuance of preferred stock	565	993
Proceeds from issuance of common stock	73	138
Repurchase of preferred stock		(1,085)
Repurchase of common stock	(2,004)	(1,950)
Cash dividends paid on preferred stock	(198)	(213)
Cash dividends paid on common stock	(1,489)	(1,426)
Net cash (used in) provided by financing activities	(3,117)	7,514
Change in cash and due from banks	577	4,835
Cash and due from banks at beginning of period	19,505	15,705
Cash and due from banks at end of period	$ 20,082	$ 20,540