BENEFIT PLANS - Amounts Recognized in Accumulated Other Comprehensive Losses for Defined Benefit Pension Plans and Other Postretirement Benefit Plans (Detail) - USD ($) $ in Millions	Feb. 27, 2016	Feb. 28, 2015
Defined Benefit Plan Disclosure [Line Items]
Total recognized in Accumulated other comprehensive loss, net of tax	$ (422)	$ (423)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service benefit	0	0
Net actuarial loss	(693)	(696)
Total recognized in Accumulated other comprehensive loss	(693)	(696)
Total recognized in Accumulated other comprehensive loss, net of tax	(438)	(432)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service benefit	50	45
Net actuarial loss	(17)	(28)
Total recognized in Accumulated other comprehensive loss	33	17
Total recognized in Accumulated other comprehensive loss, net of tax	$ 20	$ 9