CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net loss	$ (1,397)	$ (100)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation of property and equipment, including internal-use software and website development	185	176
Amortization of stock-based compensation	55	56
Amortization of intangible assets	44	52
Goodwill and Intangible Asset Impairment	886	0
Deferred income taxes	(108)	17
Foreign exchange loss on cash, restricted cash and short-term investments, net	98	5
Realized gain on foreign currency forwards	(19)	(7)
(Gain) loss on minority equity investments, net	188	(22)
Provision for credit losses and other, net	105	(7)
Changes in operating assets and liabilities:
Accounts receivable	1,086	(468)
Prepaid expenses and other assets	(791)	(23)
Accounts payable, merchant	(1,082)	39
Accounts payable, other, accrued expenses and other liabilities	(129)	146
Tax payable/receivable, net	(32)	(169)
Deferred merchant bookings	226	2,285
Deferred revenue	(99)	169
Net cash provided by (used in) operating activities	(784)	2,149
Investing activities:
Capital expenditures, including internal-use software and website development	(287)	(274)
Purchases of investments	(285)	(438)
Sales and maturities of investments	585	0
Other, net	19	6
Net cash provided by (used in) investing activities	32	(706)
Financing activities:
Revolving credit facility borrowings	1,900	0
Purchases of treasury stock	(410)	(25)
Proceeds from exercise of equity awards and employee stock purchase plan	(48)	(47)
Proceeds from exercise of equity awards and employee stock purchase plan	86	91
Other, net	(11)	2
Net cash provided by financing activities	1,517	21
Effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents	(141)	(11)
Net increase in cash, cash equivalents and restricted cash and cash equivalents	624	1,453
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period	4,097	2,705
Cash, cash equivalents and restricted cash and cash equivalents at end of period	4,721	4,158
Supplemental cash flow information
Cash paid for interest	87	71
Income tax payments, net	$ 56	$ 105