Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jan. 28, 2017	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Fair Value Of Financial Instruments [Line Items]
Goodwill, Impairment Loss	$ 71	$ 71	$ 0	$ 0
Impaired Asset at Fair Value	18	18	8	1
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		0		0
Long-Lived Asset at Carrying Value	125	125	62	11
Other Asset Impairment Charges		107	54	$ 10
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount	0	0	0
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount	$ 0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, Sales, Issues, Settlements		0	0
Impaired other indefinite-lived intangible asset, fair value			1
Other indefinite-lived intangible asset at carrying value			6
Non Restructuring Impairment [Member]
Fair Value Of Financial Instruments [Line Items]
Other Asset Impairment Charges		53
NonStrategicActionsImpairment [Member]
Fair Value Of Financial Instruments [Line Items]
Other Asset Impairment Charges			16
StrategicActionsImpairment [Member]
Fair Value Of Financial Instruments [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			5
Other Asset Impairment Charges			$ 38
Facility Closing [Member]
Fair Value Of Financial Instruments [Line Items]
Other Asset Impairment Charges		$ 54