Property and Accumulated Depreciation - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Finance Lease
Gross assets under finance lease	$ 597
Accumulated amortization	42
Capital Leases:
Assets under capital lease, cost		$ 665
Assets under capital lease, accumulated depreciation		244
Depreciation expense
Depreciation expense	$ 1,400	$ 1,600	$ 1,500