Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net income (loss)	$ 20	$ (148)	$ (289)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	97	111	125
Stock-based compensation expense (Note 14)	88	120	109
Deferred income tax expense (benefit) (Note 11)	(19)	(44)	(1)
Provision for expected credit losses (Note 2)	6	3	17
Impairment of goodwill	0	0	3
Loss on sale/disposal of business (Note 17)	0	0	6	[1]
Other, net	7	19	11
Changes in operating assets and liabilities, net of effects from acquisitions and other investments:
Accounts receivable and contract assets, prepaid expenses and other assets	(87)	(73)	92
Accounts payable, accrued expenses and other liabilities	72	30	(28)
Deferred merchant payables	99	81	(124)
Income tax receivables/payables, net	107	1	(81)
Deferred revenue	10	8	(34)
Net cash provided by (used in) operating activities	400	108	(194)
Investing activities:
Capital expenditures, including capitalized website development	(56)	(54)	(55)
Acquisitions and other investments, net of cash acquired	0	0	(4)
Other investing activities, net	4	0	3
Net cash provided by (used in) investing activities	(52)	(54)	(56)
Financing activities:
Repurchase of common stock (Note 15)	0	0	(115)
Purchase of capped calls in connection with 2026 Senior Notes (Note 9)	0	(35)	0
Payments of financing costs for the issuance of Senior Notes (Note 9)	0	0	(10)
Proceeds from exercise of stock options (Note 14)	0	8	0
Payment of withholding taxes on net share settlements of equity awards	(20)	(44)	(21)
Payments of finance lease obligation and other financing activities, net (Note 6)	(7)	(6)	(6)
Net cash provided by (used in) financing activities	(27)	263	341
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(23)	(12)	8
Net increase (decrease) in cash, cash equivalents and restricted cash	298	305	99
Cash, cash equivalents and restricted cash at beginning of period	723	418	319
Cash, cash equivalents and restricted cash at end of period	1,021	723	418
Supplemental disclosure of cash flow information:
Cash paid (received) during the period for income taxes, net of refunds	(40)	5	3
Cash paid during the period for interest	40	43	13
Supplemental disclosure of non-cash investing and financing activities:
Stock-based compensation capitalized with internal-use software and website development costs (Note 14)	10	13	15
2026 Senior Notes
Financing activities:
Proceeds from issuance of Senior Notes, net of financing costs (Note 9)	0	340	0
2025 Senior Notes
Financing activities:
Proceeds from issuance of Senior Notes, net of financing costs (Note 9)	0	0	500
Credit Facility
Financing activities:
Proceeds from credit facility	0	0	700
Payment of financing costs related to Credit Facility (Note 9)	0	0	(7)
Payments to Credit Facility (Note 9)	$ 0	$ 0	$ 700

[1] Related to loss on disposal on the sale of our SmarterTravel business during June 2020.