Related Party Transactions - Additional Information (Details) - USD ($) $ in Millions |
1 Months Ended | 12 Months Ended | ||
---|---|---|---|---|
Apr. 30, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Related Party Transaction [Line Items] | ||||
Management fee paid | $ 21 | |||
Affiliated Entity | Management Services Agreement | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | $ 2 | $ 7 | ||
IPO | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | $ 21 | |||
IPO | TPG and Silver Lake | Management Services Agreement | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | $ 21 | |||
Minimum | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | 5 | |||
Minimum | Management Services Agreement | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | 5 | |||
Maximum | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | 7 | |||
Maximum | Management Services Agreement | ||||
Related Party Transaction [Line Items] | ||||
Management fee paid | $ 7 |