XML 53 R40.htm IDEA: XBRL DOCUMENT v3.6.0.2
Commitments and Contingencies (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2017 $ 1    
2018 1    
2019 1    
2020 1    
2021 1    
Operating lease rent expense $ 1 $ 1 $ 1