Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities:
Net income (loss)	$ 5	$ 10	$ 20
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	85	87	97
Stock-based compensation expense (Note 13)	120	96	88
Deferred income tax expense (benefit) (Note 10)	(14)	(25)	(19)
Provision for expected credit losses (Note 2)	8	6	6
Other, net	9	9	7
Changes in operating assets and liabilities, net:
Accounts receivable, prepaid expenses and other assets	(24)	6	(87)
Accounts payable, accrued expenses and other liabilities	13	11	72
Deferred merchant payables	19	32	99
Income tax receivables/payables, net	(75)	(1)	107
Deferred revenue	(2)	4	10
Net cash provided by (used in) operating activities	144	235	400
Investing activities:
Capital expenditures, including capitalized website development	(74)	(63)	(56)
Other investing activities, net	1	0	4
Net cash provided by (used in) investing activities	(73)	(63)	(52)
Financing activities:
Repurchase of common stock (Note 14)	(25)	(100)	0
Proceeds from the issuance of Term Loan B Facility, net of financing costs (Note 8)	493	0	0
Principal payments on Term Loan B Facility (Note 8)	(1)	0	0
Payment of 2025 Senior Notes (Note 8)	(500)	0	0
Payment of financing costs related to Credit Facility (Note 8)		(3)	0
Payment of withholding taxes on net share settlements of equity awards	(21)	(17)	(20)
Payments of finance lease obligation and other financing activities, net (Note 5)	(8)	(7)	(7)
Net cash provided by (used in) financing activities	(63)	(127)	(27)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(11)	1	(23)
Net increase (decrease) in cash, cash equivalents and restricted cash	(3)	46	298
Cash, cash equivalents and restricted cash at beginning of period	1,067	1,021	723
Cash, cash equivalents and restricted cash at end of period	1,064	1,067	1,021
Supplemental disclosure of cash flow information:
Cash paid (received) during the period for income taxes, net of refunds	170	140	(40)
Cash paid during the period for interest	58	39	40
Supplemental disclosure of non-cash investing and financing activities:
Stock-based compensation capitalized website development costs (Note 13)	13	$ 10	$ 10
Credit Facility
Financing activities:
Payment of financing costs related to Credit Facility (Note 8)	$ (1)