Leases - Schedule of Future Minimum Lease Payments (Details) $ in Millions	Sep. 30, 2019 USD ($)
Operating Leases
Remainder of fiscal year 2019	$ 23
2020	35
2021	22
2022	17
2023	8
Thereafter	17
Total minimum lease payments	122
Less: Amount representing interest	(12)
Present value of net minimum lease payments	110
Finance Leases
Remainder of fiscal year 2020	77
2021	107
2022	76
2023	37
2024	11
Thereafter	1
Total minimum lease payments	309
Less: Amount representing interest	(26)
Present value of net minimum lease payments	$ 283