Leases - Supplemental Balance Sheet (Details) $ in Millions	Jun. 30, 2019 USD ($)
Leases, Operating [Abstract]
Operating lease right-of-use assets, net	$ 60
Accrued expenses, other	20
Other liabilities	42
Present value of net minimum lease payments	62
Leases, Financing [Abstract]
Property and equipment, net	1
Current maturities of long-term debt and other borrowings	0
Long-term debt and other borrowings, net	1
Total finance lease liabilities	$ 1
Weighted Average Remaining Lease Term [Abstract]
Operating leases	4 years 1 month 12 days
Finance leases	3 years 1 month 24 days
Weighted Average Discount Rate [Abstract]
Operating Lease, Weighted Average Discount Rate, Percent	3.60%
Finance Lease, Weighted Average Discount Rate, Percent	10.10%