LONG-TERM DEBT - Carrying Value (Details) - USD ($) $ in Millions	Oct. 31, 2016	Feb. 01, 2016	Oct. 31, 2015
Debt Instrument [Line Items]
Debt Instrument Net Discount Premium Amount	$ 1,896		$ 1,596
Interest Rate Swap	16	$ 300	21
Long-term Debt, Gross	1,912		1,617
Senior Notes 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument Net Discount Premium Amount	100		100
Interest Rate Swap	1		2
Long-term Debt, Gross	101		102
Senior Notes 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument Net Discount Premium Amount	499		499
Interest Rate Swap	15		19
Long-term Debt, Gross	514		518
Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument Net Discount Premium Amount	400		399
Interest Rate Swap	0		0
Long-term Debt, Gross	400		399
Senior Notes 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument Net Discount Premium Amount	598		598
Interest Rate Swap	0		0
Long-term Debt, Gross	598		598
Senior Notes 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument Net Discount Premium Amount	299		0
Interest Rate Swap	0		0
Long-term Debt, Gross	$ 299		$ 0