Leases Liability Maturity (Details) $ in Millions	Jun. 30, 2020 USD ($)
Leases [Abstract]
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year	$ 145
Lessee, Operating Lease, Liability, to be Paid, Year One	264
Lessee, Operating Lease, Liability, to be Paid, Year Two	232
Lessee, Operating Lease, Liability, to be Paid, Year Three	186
Lessee, Operating Lease, Liability, to be Paid, Year Four	126
Lessee, Operating Lease, Liability, to be Paid, Year Five	71
Lessee, Operating Lease, Liability, to be Paid, after Year Five	241
Lessee, Operating Lease, Liability, to be Paid	1,265
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(181)
Operating Lease, Liability	$ 1,084