BENEFIT PLANS - Amounts Recognized in Accumulated Other Comprehensive Losses for Defined Benefit Pension Plans and Other Postretirement Benefit Plans (Detail) - USD ($) $ in Millions	Feb. 24, 2018	Feb. 25, 2017
Defined Benefit Plan Disclosure [Line Items]
Total recognized in Accumulated other comprehensive loss, net of tax	$ 210	$ 278
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service benefit	21	0
Net actuarial loss	401	478
Total recognized in Accumulated other comprehensive loss	(380)	(478)
Total recognized in Accumulated other comprehensive loss, net of tax	216	293
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service benefit	21	(42)
Net actuarial loss	8	(13)
Total recognized in Accumulated other comprehensive loss	13	(29)
Total recognized in Accumulated other comprehensive loss, net of tax	$ (6)	$ (17)