CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Cost of revenue
Stock-based compensation	$ 3	$ 3	$ 10	$ 9
Selling and marketing
Stock-based compensation	20	19	63	61
Technology and content
Stock-based compensation	34	40	111	120
General and administrative
Stock-based compensation	33	85	106	167
Restructuring and related reorganization charges
Stock-based compensation	$ 0	$ 0	$ 3	$ 8