Stock-Based Compensation - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | $ 930 | $ 899 | $ 3,003 |
| Operations and support | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | 63 | 49 | 144 |
| Product development | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | 548 | 545 | 1,880 |
| Sales and marketing | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | 114 | 100 | 435 |
| General and administrative | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | $ 205 | $ 205 | $ 544 |