Fair Value Measurements (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - Fair value measurements recurring - USD ($) $ in Millions	Nov. 03, 2019	Feb. 03, 2019
Fair value inputs level 1
Fair Value, Assets and Liabilities Measured on a Recurring Basis [Line Items]
Derivative agreements – assets	$ 0	$ 0
Derivative agreements – liabilities	0	0
Total	0	0
Fair value inputs level 2
Fair Value, Assets and Liabilities Measured on a Recurring Basis [Line Items]
Derivative agreements – assets	92	138
Derivative agreements – liabilities	0	(11)
Total	92	127
Fair value inputs level 3
Fair Value, Assets and Liabilities Measured on a Recurring Basis [Line Items]
Derivative agreements – assets	0	0
Derivative agreements – liabilities	0	0
Total	$ 0	$ 0