New Accounting Pronouncements Leases (Details) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 03, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Present Value of Operating Lease Liabilities	$ 3,530
Operating Lease, Right-of-Use Asset	$ 3,053
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Present Value of Operating Lease Liabilities		$ 3,700
Operating Lease, Right-of-Use Asset		3,300
Difference Between ROU Asset and Lease Liabilities upon adoption of ASC 842		470
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets		$ 2