Leases - Schedule of Right of Use Assets (Details) $ in Millions	Jun. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Total right-of-use assets	$ 22
Buildings
Lessee, Lease, Description [Line Items]
Total right-of-use assets	20
Land
Lessee, Lease, Description [Line Items]
Total right-of-use assets	1
Vehicles
Lessee, Lease, Description [Line Items]
Total right-of-use assets	$ 1