v3.25.0.1
Significant Accounting Policies - Summary of Reclassification Adjustments Made Between Operating Expenses (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Cost of Sales (formerly Cost of revenue) $ 131 $ 119 $ 78
Marketing (formerly Selling and marketing) 729 [1] 705 [1] 576
Personnel (including SBC of $96 & $88) 595 570 503
Technology (formerly Technology and content) 91 [1] 80 [1] 63
General and administrative 91 79 74
Depreciation and amortization 85 87 97
Restructuring and other related reorganization costs 21 22 0
Total costs and expenses $ 1,743 1,662 1,391
As Reported [Member]      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Cost of Sales (formerly Cost of revenue)   149 116
Marketing (formerly Selling and marketing)   940 784
Personnel (including SBC of $96 & $88)   0 0
Technology (formerly Technology and content)   273 222
General and administrative   191 172
Depreciation and amortization   87 97
Restructuring and other related reorganization costs   22 0
Total costs and expenses   1,662 1,391
Adjustments [Member]      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Cost of Sales (formerly Cost of revenue) [2]   (30) (38)
Marketing (formerly Selling and marketing) [3]   (235) (208)
Personnel (including SBC of $96 & $88) [4]   570 503
Technology (formerly Technology and content) [5]   (193) (159)
General and administrative [6]   (112) (98)
Depreciation and amortization   0 0
Restructuring and other related reorganization costs   0 0
Total costs and expenses   0 0
As Adjusted [Member]      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Cost of Sales (formerly Cost of revenue)   119 78
Marketing (formerly Selling and marketing)   705 576
Personnel (including SBC of $96 & $88)   570 503
Technology (formerly Technology and content)   80 63
General and administrative   79 74
Depreciation and amortization   87 97
Restructuring and other related reorganization costs   22 0
Total costs and expenses   $ 1,662 $ 1,391
[1] The significant segment expense categories and amounts align with the segment-level information that is regularly provided to our CODM.
[2] Primarily related to the reclass of people costs to Personnel, and data center costs, and to a lesser extent, licensing costs to Technology; partially offset by the reclass of digital service taxes ("DST") and bad debt expense from General and administrative to Costs of sales
[3] Primarily related to the reclass of people costs to Personnel, and to a lesser extent, licensing costs to Technology and real estate and office expenses to General and administrative.
[4] Related to the reclass of people costs, including stock-based compensation expense, from all legacy operating expense captions to Personnel.
[5] Primarily related to the reclass of people costs to Personnel, and to a lesser extent, the reclass of real estate and office expenses to General and administrative; partially offset by the reclass of data center and licensing costs from all legacy operating expense captions to Technology.
[6] Primarily related to the reclass of people costs to Personnel, and to a lesser extent, the reclass of DST and bad debt expense to Costs of sales; partially offset by the reclass of real estate and office expenses to General and administrative from all legacy operating expense captions