ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - CHANGES IN AOCI BY COMPONENT (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 13, 2016	Aug. 15, 2015	Aug. 13, 2016	Aug. 15, 2015
Accumulated other comprehensive income (loss)
Balance at the beginning of the period			$ (680)	$ (812)
OCI before reclassifications			(104)	24
Amounts reclassified out of AOCI			2	29
Total other comprehensive income (loss)	$ (79)	$ 14	(102)	53
Balance at the end of the period	(782)	(759)	(782)	(759)
Amortization of amounts included in net periodic pension expense, income tax	5	8	10	17
Cash Flow Hedging Activities
Accumulated other comprehensive income (loss)
Balance at the beginning of the period			(51)	(49)
OCI before reclassifications			(98)	17
Amounts reclassified out of AOCI			1
Total other comprehensive income (loss)			(97)	17
Balance at the end of the period	(148)	(32)	(148)	(32)
OCI before reclassifications, tax			(58)	10
Available for sale Securities
Accumulated other comprehensive income (loss)
Balance at the beginning of the period			20	17
OCI before reclassifications			(6)	7
Amounts reclassified out of AOCI			(14)
Total other comprehensive income (loss)			(20)	7
Balance at the end of the period		24		24
OCI before reclassifications, tax			(3)	4
Amounts reclassified out of AOCI, tax			(13)
Pension and Postretirement Defined Benefit Plans
Accumulated other comprehensive income (loss)
Balance at the beginning of the period			(649)	(780)
Amounts reclassified out of AOCI			15	29
Total other comprehensive income (loss)			15	29
Balance at the end of the period	$ (634)	$ (751)	(634)	(751)
Amortization of amounts included in net periodic pension expense, income tax			$ 10	$ 17