XML 76 R65.htm IDEA: XBRL DOCUMENT v3.19.1
Investments in Unconsolidated Affiliates - Additional Information (Details)
$ in Millions
Mar. 31, 2018
Affiliate
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Schedule Of Investments [Line Items]      
Number of unconsolidated affiliates | Affiliate 2    
Debt   $ 800 $ 604
Investments in unconsolidated affiliates   $ 40 38
BRE Ace LLC      
Schedule Of Investments [Line Items]      
Equity method investment, ownership percentage   25.00%  
1776 Holding, LLC      
Schedule Of Investments [Line Items]      
Equity method investment, ownership percentage   50.00%  
BRE Ace LLC and 1776 Holding, LLC      
Schedule Of Investments [Line Items]      
Debt   $ 487 $ 490