Summary of Significant Accounting Policies - Schedule of Gain on Sale of Real Estate (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Accounting Policies [Abstract] | ||||
| Gross proceeds | $ 8,989 | $ 23,000 | $ 8,989 | $ 52,639 |
| Gain on sale of real estate | $ 35 | $ 1,967 | $ 35 | $ 8,938 |