XML 93 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1
Long-Term Debt - Summary of Carrying Value of Debt (Detail) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Long-term debt $ 2,249 $ 2,703
Less debt issuance costs (7) (22)
Less unamortized discounts (15) (33)
Less: Current portion of long-term debt (51) 0
Total outstanding debt 2,176 2,648
Revolving Credit Facility    
Debt Instrument [Line Items]    
Long-term debt 275 0
Senior Notes    
Debt Instrument [Line Items]    
Long-term debt 0 1,050
Loans Payable | Term Loan B    
Debt Instrument [Line Items]    
Long-term debt 1,160 1,653
Loans Payable | Term Loan A    
Debt Instrument [Line Items]    
Long-term debt 679 0
Secured Debt | Receivables Financing Facility    
Debt Instrument [Line Items]    
Long-term debt 135 $ 0
Total outstanding debt $ 135