Leases (Minimum Rent Commitments Operating Leases) (Details) $ in Millions	Jan. 28, 2017 USD ($)	[1]
Leases [Abstract]
2017	$ 707
2018	651
2019	605
2020	571
2021	531
Thereafter	$ 2,112

[1] Excludes additional payments covering taxes, common area costs and certain other expenses generally required by store lease terms.