XML 61 R48.htm IDEA: XBRL DOCUMENT v3.19.2
Leases - Supplemental Cash Flow Information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2019
USD ($)
Leases [Abstract]  
Operating cash flows from operating leases $ (135)
Operating cash flows from finance leases (1)
Financing cash flows from finance leases (9)
Operating leases 78
Finance leases $ 17