Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Contract Balances (Details)

v3.20.2
Segment Information - Contract Balances (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Jan. 01, 2020
Dec. 31, 2019
Jan. 01, 2019
Segment Information              
Accounts receivable $ 69   $ 69     $ 176  
Contract assets 5   5     7  
Total 74   74     $ 183  
Deferred revenue         $ 62   $ 63
Contract with customer revenue recognized 12 $ 12 44 $ 46      
Amount of revenue refunded $ 4 $ 1 $ 10 $ 2