Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Feb. 03, 2018	Jan. 28, 2017
Assets:
Cash equivalents	$ 527	$ 697
Derivative financial instruments	14	58
Deferred compensation plan assets	47	40
Total	588	795
Liabilities:
Derivative Liability, Fair Value, Gross Liability	43	21
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash equivalents	37	256
Derivative financial instruments	0	0
Deferred compensation plan assets	47	40
Total	84	296
Liabilities:
Derivative Liability, Fair Value, Gross Liability	0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash equivalents	490	441
Derivative financial instruments	14	58
Deferred compensation plan assets	0	0
Total	504	499
Liabilities:
Derivative Liability, Fair Value, Gross Liability	43	21
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash equivalents	0	0
Derivative financial instruments	0	0
Deferred compensation plan assets	0	0
Total	0	0
Liabilities:
Derivative Liability, Fair Value, Gross Liability	$ 0	$ 0