Fair Value Measurements (Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2016	Feb. 02, 2019	Feb. 03, 2018
Proceeds from Sale of Available-for-sale Securities, Equity	$ 10
Assets:
Cash and Cash Equivalents		$ 1,413	$ 1,515
Investments, Fair Value Disclosure		11	17
Foreign Currency Cash Flow Hedge Asset at Fair Value		2
Foreign Currency Cash Flow Hedge Liability at Fair Value			9
Fair Value, Inputs, Level 1
Assets:
Cash and Cash Equivalents		1,413	1,515
Investments, Fair Value Disclosure		11	17
Foreign Currency Cash Flow Hedge Asset at Fair Value		0
Foreign Currency Cash Flow Hedge Liability at Fair Value			0
Fair Value, Inputs, Level 2
Assets:
Cash and Cash Equivalents		0	0
Investments, Fair Value Disclosure		0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value		2
Foreign Currency Cash Flow Hedge Liability at Fair Value			9
Fair Value, Inputs, Level 3
Assets:
Cash and Cash Equivalents		0	0
Investments, Fair Value Disclosure		0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value		$ 0
Foreign Currency Cash Flow Hedge Liability at Fair Value			$ 0