Restructuring and Related Reorganization Charges (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring and related reorganization charges	[1]	$ 80	$ 0	$ 0
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		10
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost		80
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost		$ 100

[1]  (1) Includes stock-based compensation as follows:Cost of revenue$12 $14 $14 Selling and marketing81 79 67 Technology and content154 138 111 General and administrative203 182 182 Restructuring and related reorganization charges8 — —