v3.26.3
Debt - Fair Value (Details)
$ in Millions
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fixed rate mortgages and unsecured indebtedness | Book value    
Fair Value of Debt    
Fair value of consolidated fixed rate mortgages and unsecured indebtedness $ 27,200 $ 28,100
Fixed rate mortgages and unsecured indebtedness | Fair value    
Fair Value of Debt    
Fair value of consolidated fixed rate mortgages and unsecured indebtedness $ 24,989 $ 27,300
Discount Rate | Weighted average | Fixed rate mortgages    
Fair Value of Debt    
Debt percentage- measurement input 0.0689 0.0563
Discount Rate | Weighted average | Unsecured Debt    
Fair Value of Debt    
Debt percentage- measurement input 0.0714 0.0605