Annual report pursuant to Section 13 and 15(d)

Our Portfolio - Components of Real Estate Portfolio (Detail)

v3.6.0.2
Our Portfolio - Components of Real Estate Portfolio (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Real Estate Properties [Line Items]    
Accumulated amortization of real estate intangibles $ (2) $ (1)
Real Estate 172 156
Land [Member]    
Real Estate Properties [Line Items]    
Real Estate 145 129
Real Estate Related Intangibles [Member]    
Real Estate Properties [Line Items]    
Real Estate $ 29 $ 28