Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Reconciliation of Net Income to Adjusted EBITDA) (Details)

v3.10.0.1
Segment Information (Reconciliation of Net Income to Adjusted EBITDA) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Segment Reporting [Abstract]          
Net income $ 21 $ 48 $ 61 $ 81 $ 230
Provision for income taxes 8 34 24 55 $ 13
Depreciation and amortization 22 19 41 37  
Interest expense, net 10 2 11 4  
Stock-based compensation 1 2 4 5  
Separation-related 35 0 46 0  
Transaction-related, net 28 0 30 0  
Restructuring 0 0 0 1  
Adjusted EBITDA $ 125 $ 105 $ 217 $ 183