Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Property, Plant and Equipment [Line Items] | |||
| Capitalized software development costs | $ 55 | $ 76 | |
| Amortization of capitalized software developments costs | 69 | 55 | $ 22 |
| Depreciation expense | 393 | 364 | 433 |
| Accumulated depreciation and amortization | 1,182 | 1,016 | |
| Leased computer equipment | |||
| Property, Plant and Equipment [Line Items] | |||
| Depreciation expense | 217 | 198 | $ 146 |
| Accumulated depreciation and amortization | $ 390 | $ 303 | |