Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017
Cash Flows from Operating Activities
Net income		$ 4,911	$ 3,954
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Provisions for losses		2,398	1,926
Depreciation and amortization		1,007	953
Deferred taxes and other		(347)	(47)
Stock-based compensation		230	212
Changes in operating assets and liabilities, net of effects of acquisitions and dispositions:
Other receivables		(88)	1,026
Other assets		418	(129)
Accounts payable and other liabilities		2,133	1,186
Travelers Cheques and other prepaid products		(480)	(500)
Net cash provided by operating activities		10,182	8,581
Cash Flows from Investing Activities
Sale of investment securities		0	1
Maturities and redemptions of investment securities		1,871	2,198
Purchase of investments		(5,198)	(2,339)
Net (increase) decrease in Card Member receivables and loans	[1]	(9,461)	(7,535)
Purchase of premises and equipment, net of sales		(871)	(812)
Acquisitions/Dispositions, net of cash acquired		(512)	(210)
Net cash (used in) provided by investing activities		(14,171)	(8,697)
Cash Flows from Financing Activities
Net increase (decrease) in customer deposits		4,876	8,219
Net decrease in short-term borrowings		(969)	(3,232)
Proceeds from long-term borrowings		17,035	19,875
Payments of long-term borrowings		(17,262)	(18,349)
Issuance of American Express common shares		68	82
Repurchase of American Express common shares		(917)	(3,087)
Dividends paid		(970)	(925)
Net cash provided by (used in) financing activities		1,861	2,583
Effect of foreign currency exchange rates on cash, cash equivalents and restricted cash		127	294
Net (decrease) increase in cash, cash equivalents and restricted cash		(2,001)	2,761
Cash, cash equivalents and restricted cash at beginning of period		33,264	25,494
Cash, cash equivalents and restricted cash at end of period		$ 31,263	$ 28,255

[1] (a) Refer to Note 2 for additional information.