ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - CHANGES IN AOCI BY COMPONENT (Details) - USD ($) $ in Millions	4 Months Ended
	May 20, 2017	May 21, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	$ 6,698
Amounts reclassified out of AOCI	13	$ 10
Total other comprehensive income (loss)	(23)	(23)
Balance at the end of the period	6,145
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	(715)	(680)
OCI before reclassifications	(36)	(33)
Amounts reclassified out of AOCI	13	10
Total other comprehensive income (loss)	(23)	(23)
Balance at the end of the period	(738)	(703)
Cash Flow Hedging Activities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	(2)	(51)
OCI before reclassifications	(36)	(27)
Amounts reclassified out of AOCI		1
Total other comprehensive income (loss)	(36)	(26)
Balance at the end of the period	(38)	(77)
OCI before reclassifications, tax	(21)	(15)
Available for sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period		20
OCI before reclassifications		(6)
Total other comprehensive income (loss)		(6)
Balance at the end of the period		14
OCI before reclassifications, tax		(3)
Pension and Postretirement Defined Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	(713)	(649)
Amounts reclassified out of AOCI	13	9
Total other comprehensive income (loss)	13	9
Balance at the end of the period	(700)	(640)
Amounts reclassified out of AOCI, tax	$ 8	$ 5