Leasing Narrative (Details) $ in Millions	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 128
Operating Leases, Future Minimum Payments, Due in Two Years	96
Operating Leases, Future Minimum Payments, Due in Three Years	80
Operating Leases, Future Minimum Payments, Due in Four Years	64
Operating Leases, Future Minimum Payments, Due in Five Years	50
Europe [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Lease Not yet Commenced, Amount	$ 70
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	10 years