Leases

We lease most of our store premises and some of our corporate facilities and distribution centers. These operating leases expire at various dates through 2037. Most store leases have a five-year base period and include options that allow us to extend the lease term beyond the initial base period, subject to terms agreed upon at lease inception. Some leases also include early termination options, which can be exercised under specific conditions.

The aggregate minimum non-cancelable annual lease payments under leases in effect on February 3, 2018 are as follows:



($ in millions)
Fiscal Year
2018	$	1,162
2019	1,149
2020	979
2021	773
2022	617
Thereafter	1,792
Total minimum lease commitments	$	6,472

The total minimum lease commitment amount above does not include minimum sublease rent income of $18 million receivable in the future under non-cancelable sublease agreements.

Rent expense related to our store premises, corporate facilities, and distribution centers under operating leases is as follows:



	Fiscal Year
($ in millions)	2017			2016			2015
Minimum rent expense	$	1,208		$	1,208		$	1,211
Contingent rent expense	98			107			106
Less: Sublease income	(6		)	(4		)	(4		)
Total	$	1,300		$	1,311		$	1,313