Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

As of September 30, 2019, future minimum annual lease payments under all non-cancelable operating leases were as follows:

(in millions)	Future Operating Lease Payments
2019	$	198
2020	782
2021	693
2022	580
2023	477
Thereafter	1,978
Total future minimum lease payments	4,708
Less imputed interest	(758		)
Total	$	3,950