Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions		12 Months Ended
		Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Activity in valuation and qualifying accounts
Balance at Beginning of Period		$ 49
Balance at End of Period		52	$ 49
Allowance for Doubtful Accounts [Member]
Activity in valuation and qualifying accounts
Balance at Beginning of Period		49	59	$ 104
Charged to Expenses or Other Accounts		44	30	1
Other	[1]	(41)	(40)	(46)
Balance at End of Period		$ 52	$ 49	$ 59

[1] Includes bad debt write-offs and recoveries, acquisitions and the effect of foreign currency fluctuations.