Restructuring and Related Reorganization Charges (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and related reorganization charges	[1]	$ 44	$ 18	$ 70	$ 66
Restructuring and related cost, expected cost		20		20
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		$ 32		$ 32

[1] (1) Includes stock-based compensation as follows:Cost of revenue$4 $4 $7 $6 Selling and marketing23 23 43 42 Technology and content39 40 77 80 General and administrative36 39 73 82 Restructuring and related reorganization charges3 8 3 8