Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Schedule of Future Minimum Rent Payments

The future minimum rent payments as of December 31, 2018, were as follows:

	Operating Leases		Capital Leases
Year	(in millions)
2019	$	206	$	30
2020	191		30
2021	166		30
2022	134		29
2023	119		29
Thereafter	865		164
Total minimum lease payments	$	1,681	312
Less: amount representing interest			(87		)
Present value of minimum lease payments			$	225

Schedule of Rent Expense

Lease expense for operating leases was as follows:

	Year Ended December 31,
	2018		2017		2016
	(in millions)
Fixed	$	225	$	183	$	224
Contingent	142		101		98
	$	367	$	284	$	322