Annual report pursuant to Section 13 and 15(d)

Leases - Subleases (Details)

v3.19.3.a.u2
Leases - Subleases (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Sublease Payments Receivable in 2020 $ 9
Sublease Income, Total 144
Sublease Income, Variable $ 22