Intangible Assets - Indefinite-lived Intangible Assets (Detail) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Indefinite-lived Intangible Assets [Line Items] | ||
| Indefinite-lived intangible assets | $ 17,578 | $ 17,578 |
| Accumulated Amortization | 0 | 0 |
| Management Contracts [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Indefinite-lived intangible assets | 16,169 | 16,169 |
| Accumulated Amortization | 0 | 0 |
| Trade Names / Trademarks [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Indefinite-lived intangible assets | 1,403 | 1,403 |
| Accumulated Amortization | 0 | 0 |
| License [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Indefinite-lived intangible assets | 6 | 6 |
| Accumulated Amortization | $ 0 | $ 0 |