v3.26.3
Fair Value Measurements - Carrying Values and Estimated Fair Values of our Financial Instruments not Measured at Fair Value (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Assets:    
Mortgage and other loans receivable $ 2,298 $ 2,887
Other investments 6,961 6,696
Other assets 4,717 4,773
Consolidated Entity, Excluding Consolidated VIE    
Liabilities:    
Long-term debt 10,256 9,035
Estimated Fair Value    
Assets:    
Mortgage and other loans receivable 2,251 2,834
Other investments 533 493
Other assets 7 16
Estimated Fair Value | Consolidated Entity, Excluding Consolidated VIE    
Liabilities:    
Long-term debt 9,371 8,702
Carrying Value    
Assets:    
Mortgage and other loans receivable 2,298 2,887
Other investments 533 493
Other assets 7 16
Carrying Value | Consolidated Entity, Excluding Consolidated VIE    
Liabilities:    
Long-term debt 10,256 9,035
Level 1 | Estimated Fair Value    
Assets:    
Mortgage and other loans receivable 0 0
Other investments 0 0
Other assets 7 16
Level 1 | Estimated Fair Value | Consolidated Entity, Excluding Consolidated VIE    
Liabilities:    
Long-term debt 0 0
Level 2 | Estimated Fair Value    
Assets:    
Mortgage and other loans receivable 199 334
Other investments 523 480
Other assets 0 0
Level 2 | Estimated Fair Value | Consolidated Entity, Excluding Consolidated VIE    
Liabilities:    
Long-term debt 9,371 8,702
Level 3 | Estimated Fair Value    
Assets:    
Mortgage and other loans receivable 2,052 2,500
Other investments 10 13
Other assets 0 0
Level 3 | Estimated Fair Value | Consolidated Entity, Excluding Consolidated VIE    
Liabilities:    
Long-term debt $ 0 $ 0