Leases - Summary of Financing Obligations (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 02, 2020	Nov. 02, 2019	Aug. 02, 2019	May 02, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019
Assets
Financing obligations									$ 76
Liabilities
Current									36
Noncurrent									490
Total financing obligations									526
Income Statement
Amortization of financing obligation assets									11
Interest on financing obligations									37
Total financing obligations									48
Cash paid for amounts included in the measurement of financing obligations
Operating cash flows from financing obligations									37
Financing cash flows from financing obligations									37
Proceeds from financing obligations									11
(Gain) on extinguishment of debt	$ 0	$ (9)	$ 0	$ 0	$ 21	$ 0	$ 0	$ 42	$ (9)	$ 63