Other Liabilities - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Other Liabilities Disclosure [Line Items] | |||
| Operating lease costs | $ 463 | $ 458 | $ 538 |
| Lessee, operating lease, lease not yet commenced amount | 300 | ||
| Asset Management [Member] | |||
| Other Liabilities Disclosure [Line Items] | |||
| Liabilities classified as held for sale related to consolidated investments | $ 310 | ||