BORROWINGS (Senior Secured Notes) (Details) - USD ($)			1 Months Ended	6 Months Ended
		Aug. 03, 2015	Oct. 31, 2010	Jul. 29, 2017	Jul. 30, 2016	Jan. 28, 2017	Sep. 06, 2011
Debt Instrument [Line Items]
Debt repurchase authorized amount		$ 1,000,000,000.0
Repayments of debt	[1]			$ 717,000,000	$ 35,000,000
Senior Secured Note
Debt Instrument [Line Items]
Long-term debt			$ 1,000,000,000.0
Senior secured note, interest rate			6.625%
Debt redemption, percentage of principal amount			101.00%
Repayments of debt		936,000,000
Early tender repurchase amount per tender offer		990
Principal amount of debt		1,000		303,000,000
Early tender payment per $1000		30
Repurchase amount per tender offer		960
Repurchase amount on debt instrument		929,000,000
Repurchase on debt		936,000,000
Unamortized debt issue costs and discount		$ 7,000,000
Carrying amount of long-term debt				$ 303,000,000	$ 302,000,000	$ 303,000,000
Treasury Rate | Senior Secured Note
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			0.50%
Pension Plan | Domestic Plan | Senior Secured Note
Debt Instrument [Line Items]
Long-term debt			$ 250,000,000				$ 0

[1] Repayments in 2017 include $183 million to related parties in connection with the 2017 Secured Loan Facility, 2016 Secured Loan Facility and 2016 Term Loan. See Notes 2 and 11 for further information.