UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
OPERATING ACTIVITIES:
Net (loss) income	$ (577)	$ 1,744
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation and amortization	229	235
Provision for expected credit losses and chargebacks	322	74
Deferred income tax expense	11	60
Net gains on marketable equity securities	(528)	(468)
Stock-based compensation expense and other stock-based payments	94	162
Operating lease amortization	91	85
Amortization of debt discount and debt issuance costs	33	28
Unrealized foreign currency transaction losses on Euro-denominated debt	22	19
Impairment of goodwill	489	0
Impairment of investment	100	0
Other	3	9
Changes in assets and liabilities, net of effect of acquisition:
Accounts receivable	805	(523)
Prepaid expenses and other current assets	248	(584)
Deferred merchant bookings and other current liabilities	(1,567)	1,513
Other long-term assets and liabilities	(33)	(417)
Net cash (used in) provided by operating activities	(258)	1,937
INVESTING ACTIVITIES:
Purchase of investments	(72)	(580)
Proceeds from sale and maturity of investments	2,997	6,977
Additions to property and equipment	(150)	(199)
Acquisitions and other investments, net of cash acquired	0	(9)
Net cash provided by investing activities	2,775	6,189
FINANCING ACTIVITIES:
Proceeds from revolving credit facility and short-term borrowings	56	437
Repayments of revolving credit facility and short-term borrowings	0	(425)
Proceeds from the issuance of long-term debt	4,108	0
Payments of debt issuance costs	(38)	0
Payments for conversion of debt	(1,244)	0
Payments for repurchase of common stock	(1,294)	(5,491)
Other financing activities	5	(8)
Net cash provided by (used in) financing activities	1,593	(5,487)
Effect of exchange rate changes on cash and cash equivalents and restricted cash and cash equivalents	(19)	(8)
Net increase in cash and cash equivalents and restricted cash and cash equivalents	4,091	2,631
Total cash and cash equivalents and restricted cash and cash equivalents, beginning of period (see Note 14)	6,332	2,645
Total cash and cash equivalents and restricted cash and cash equivalents, end of period (see Note 14)	10,423	5,276
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid during the period for income taxes (see Note 14)	61	949
Cash paid during the period for interest	$ 92	$ 101