ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - ITEMS RECLASSIFIED OUT OF AOCI (Details) - USD ($) $ in Millions	4 Months Ended
	May 26, 2018	May 20, 2017
Reclassification out of AOCI and the related tax effects
Amortization of gains and losses on cash flow hedging activities	$ 192	$ 177
Tax expense	616	148
Net of tax	(2,026)	(303)
Total reclassifications, net of tax	16	13
Cash Flow Hedging Activities
Reclassification out of AOCI and the related tax effects
Tax expense	(1)
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	19	21
Tax expense	(4)	(8)
Total reclassifications, net of tax	15	$ 13
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	2
Tax expense	(1)
Net of tax	$ 1