Lessor, Lease Revenue Components (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Mall [Member] | ||||
| Lessor, Lease, Description [Line Items] | ||||
| Minimum rents | $ 145 | $ 140 | $ 291 | $ 280 |
| Overage rents | 27 | 20 | 58 | 40 |
| Lease revenue | 172 | 160 | 349 | 320 |
| Convention, Retail and Other [Member] | ||||
| Lessor, Lease, Description [Line Items] | ||||
| Minimum rents | 1 | 1 | 1 | 1 |
| Overage rents | 0 | 0 | 0 | 0 |
| Lease revenue | $ 1 | $ 1 | $ 1 | $ 1 |