Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Sep. 09, 2017	Sep. 10, 2016	Feb. 25, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Accumulated amortization, Additions	$ (7)	$ (6)
Future amortization expense, Remainder of Fiscal Year			$ (4)
Future amortization expense, Year Two			(9)
Future amortization expense, Year Three			(8)
Future amortization expense, Year Four			(8)
Future amortization expense, Year Five			(6)
Future amortization expense, After Year Five			$ (6)