GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets - Inangible Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Feb. 24, 2018	Feb. 25, 2017
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 198	$ 90
Intangible Assets, Gross (Excluding Goodwill)	203	95
Finite-Lived Intangible Assets, Accumulated Amortization	(72)	(58)
Finite-Lived Intangible Assets, Net	126	32
Intangible assets, net	131	37
Tradename
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets Acquired	5	5
Favorable operating leases, prescription files, customer lists and other
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	177	81
Finite-Lived Intangible Assets, Accumulated Amortization	(66)	(54)
Finite-Lived Intangible Assets, Net	111	27
Above Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	21	9
Finite-Lived Intangible Assets, Accumulated Amortization	(6)	(4)
Finite-Lived Intangible Assets, Net	$ 15	$ 5