CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net income (loss)	$ (2,337)	$ 494
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation of property and equipment, including internal-use software and website development	559	530
Amortization of intangible assets	122	154
Impairment of goodwill and intangible assets	971	0
Amortization of stock-based compensation	156	175
Deferred income taxes	(368)	(58)
Foreign exchange loss on cash, restricted cash and short-term investments, net	27	40
Realized gain on foreign currency forwards	(89)	(4)
Loss on minority equity investments, net	202	13
Provision for credit losses and other, net	144	(16)
Changes in operating assets and liabilities:
Accounts receivable	1,636	(543)
Prepaid expenses and other assets	(219)	0
Accounts payable, merchant	(1,340)	119
Accounts payable, other, accrued expenses and other liabilities	(272)	207
Tax payable/receivable, net	(62)	(6)
Deferred merchant bookings	(2,437)	1,305
Deferred revenue	(142)	16
Net cash provided by (used in) operating activities	(3,449)	2,426
Investing activities:
Capital expenditures, including internal-use software and website development	(669)	(864)
Purchases of investments	(685)	(1,283)
Sales and maturities of investments	1,161	635
Acquisitions, net of cash and restricted cash acquired	0	80
Other, net	86	3
Net cash used in investing activities	(107)	(1,429)
Financing activities:
Revolving credit facility borrowings	2,672	0
Revolving credit facility repayments	(2,022)	0
Proceeds from issuance of long-term debt, net of issuance costs	3,946	1,235
Net proceeds from issuance of preferred stock and warrants	1,132	0
Payment of Liberty Expedia Exchangeable Debentures	0	(400)
Payment of long-term debt	(750)	0
Purchases of treasury stock	(419)	(352)
Payment of dividends to common stockholders	(48)	(145)
Payment of preferred stock dividends	(17)	0
Proceeds from exercise of equity awards and employee stock purchase plan	105	277
Other, net	(28)	(8)
Net cash provided by financing activities	4,571	607
Effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents	(31)	(62)
Net increase in cash, cash equivalents and restricted cash and cash equivalents	984	1,542
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	5,081	4,247
Supplemental cash flow information
Cash paid for interest	217	156
Income tax payments, net	$ 103	$ 216