Fair Value Measurements (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - Level 2 - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Feb. 02, 2019	Feb. 03, 2018
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets measured at fair value on recurring basis	$ 100	$ 23
Liabilities measured at fair value on recurring basis	1	1
Equity investments
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets measured at fair value on recurring basis	94	15
Available-for-sale Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets measured at fair value on recurring basis	6	7
Forward Foreign Exchange Contracts [Member] | Derivative Financial Instruments, Liabilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Liabilities measured at fair value on recurring basis	$ 1	1
Forward Foreign Exchange Contracts [Member] | Derivative Financial Instruments, Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets measured at fair value on recurring basis		$ 1