XML 161 R149.htm IDEA: XBRL DOCUMENT v3.22.4
SEGMENT INFORMATION - Revenue and FFO (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of operating segments [line items]      
Revenue $ 7,365 $ 7,100 $ 6,593
FFO 586 578 707
Core Office      
Disclosure of operating segments [line items]      
Revenue 2,210 2,198 2,049
FFO 325 539 495
Core Retail      
Disclosure of operating segments [line items]      
Revenue 1,557 1,510 1,612
FFO 626 450 521
LP Investments      
Disclosure of operating segments [line items]      
Revenue 3,593 3,387 2,920
FFO 288 179 64
Corporate      
Disclosure of operating segments [line items]      
Revenue 5 5 12
FFO $ (653) $ (590) $ (373)