New Accounting Pronouncements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Feb. 02, 2019	Nov. 02, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Liability		$ 3,568
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		$ 248
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Liability	$ 3,700
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	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