Quarterly report pursuant to Section 13 or 15(d)

Leases - Components of lease expense (Details)

v3.19.3
Leases - Components of lease expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Finance lease cost    
Depreciation of leased assets $ 10 $ 28
Interest on lease liabilities 1 4
Total finance lease cost 11 32
Operating lease cost 23 67
Sublease income (1) (3)
Total lease cost $ 33 $ 96