CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ 1,786	$ 2,530	$ (1,017)
(Income) loss from discontinued operations, net of income taxes	6	(2)	4
Adjustments:
Provision for transaction losses	300	286	272
Depreciation and amortization	681	696	676
Stock-based compensation	505	538	483
(Gain) loss on investments, net	0	(572)	49
(Gain) loss on sale of business	52	0	(167)
Deferred income taxes	117	(153)	1,728
Change in fair value of warrant	(133)	(104)	0
Other	0	19	0
Changes in assets and liabilities, net of acquisition effects
Accounts receivable	(124)	(98)	(195)
Other current assets	177	(143)	(148)
Other non-current assets	222	108	19
Accounts payable	4	(47)	19
Accrued expenses and other liabilities	(391)	(437)	206
Deferred revenue	0	33	8
Income taxes payable and other tax liabilities	(88)	7	1,209
Net cash provided by continuing operating activities	3,114	2,661	3,146
Net cash used in discontinued operating activities	0	(3)	0
Net cash provided by operating activities	3,114	2,658	3,146
Cash flows from investing activities:
Purchases of property and equipment	(554)	(651)	(666)
Purchases of investments	(46,977)	(28,115)	(14,599)
Maturities and sales of investments	50,548	30,901	14,520
Equity investments			(50)
Proceeds from sale of equity investment in Flipkart	0	1,029	0
Acquisitions, net of cash acquired	(93)	(302)	(34)
Other	23	32	(2)
Net cash provided by (used in) investing activities	2,787	2,894	(1,295)
Cash flows from financing activities:
Proceeds from issuance of common stock	106	109	120
Repurchases of common stock	(4,973)	(4,502)	(2,746)
Tax withholdings related to net share settlements of restricted stock awards and units	(202)	(225)	(219)
Proceeds from issuance of long-term debt, net	0	0	2,484
Payments for dividends	(473)	0	0
Repayment of debt	(1,550)	(750)	(1,452)
Other	1	(30)	29
Net cash used in financing activities	(7,091)	(5,398)	(1,784)
Effect of exchange rate changes on cash and cash equivalents	(33)	(75)	238
Net increase (decrease) in cash, cash equivalents and restricted cash	(1,223)	79	305
Cash, cash equivalents and restricted cash at beginning of period	2,219	2,140	1,835
Cash, cash equivalents and restricted cash at end of period	996	2,219	2,140
Cash paid for:
Interest	304	314	285
Interest on finance lease obligations	1	0	0
Income taxes	333	597	308
Noncash investing activities:
Relinquishment of equity method investment	0	266	0
Sale of business in exchange for ownership interest in Flipkart	0	0	211
Flipkart
Cash flows from investing activities:
Equity investments	0	0	(514)
Paytm Mall
Cash flows from investing activities:
Equity investments	$ (160)	$ 0	$ 0