Quarterly report pursuant to Section 13 or 15(d)

Leases - Subleases (Details)

v3.19.3
Leases - Subleases (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Leases [Abstract]    
Sublease Payments Receivable in 2019 $ 3 $ 3
Sublease Income, Total 28 96
Sublease Income, Variable $ 5 $ 15