ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - ITEMS RECLASSIFIED OUT OF AOCI (Details) - USD ($) $ in Millions	4 Months Ended
	May 20, 2017	May 21, 2016
Reclassification out of AOCI and the related tax effects
Amortization of gains and losses on cash flow hedging activities	$ 177	$ 155
Tax expense	148	350
Net of tax	(303)	(696)
Total reclassifications, net of tax	13	10
Cash Flow Hedging Activities
Reclassification out of AOCI and the related tax effects
Total reclassifications, net of tax		1
Pension and Postretirement Defined Benefit Plans
Reclassification out of AOCI and the related tax effects
Amortization of amounts included in net periodic pension expense	21	14
Tax expense	(8)	(5)
Total reclassifications, net of tax	$ 13	9
Reclassification out of AOCI | Cash Flow Hedging Activities
Reclassification out of AOCI and the related tax effects
Amortization of gains and losses on cash flow hedging activities		1
Net of tax		$ 1