Share-Based Compensation Expense - Additional Information (Details) - USD ($)
$ in Millions |
6 Months Ended |
12 Months Ended |
Dec. 31, 2021 |
Jun. 30, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Performance-based RSUs [Member] |
|
|
|
|
|
| Class Of Stock [Line Items] |
|
|
|
|
|
| Aggregate grant date fair value |
$ 115
|
|
|
|
|
| Total future compensation expense |
156
|
|
$ 156
|
|
|
| Remaining weighted-average amortization period |
|
|
2 years 2 months 12 days
|
|
|
| RSUs [Member] |
|
|
|
|
|
| Class Of Stock [Line Items] |
|
|
|
|
|
| Aggregate grant date fair value |
119
|
|
|
|
|
| Total future compensation expense |
84
|
|
$ 84
|
|
|
| Remaining weighted-average amortization period |
|
|
1 year 7 months 6 days
|
|
|
| RSUs and PRSUs[Member] |
|
|
|
|
|
| Class Of Stock [Line Items] |
|
|
|
|
|
| Share-based compensation |
$ 67
|
$ 5
|
|
$ 5
|
$ 9
|
| 2021 Omnibus Incentive Plan | Time-based RSUs [Member] |
|
|
|
|
|
| Class Of Stock [Line Items] |
|
|
|
|
|
| Vesting period |
3 years
|
|
|
|
|
| Percentage of units granted subject to vesting requirements |
50.00%
|
|
50.00%
|
|
|
| 2021 Omnibus Incentive Plan | Performance-based RSUs [Member] |
|
|
|
|
|
| Class Of Stock [Line Items] |
|
|
|
|
|
| Percentage of units granted subject to vesting requirements |
50.00%
|
|
50.00%
|
|
|