Income Taxes - Changes in Company's Unrecognized Tax Benefits (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 22, 2014	Feb. 23, 2013	Feb. 25, 2012
Income Tax Disclosure [Abstract]
Beginning balance	$ 187	$ 165	$ 182
Increase based on tax positions related to the current year	15	5	14
Decrease based on tax positions related to the current year		(1)	(1)
Increase based on tax positions related to prior years	9	83	21
Decrease based on tax positions related to prior years	(131)	(62)	(46)
Decrease due to lapse of statute of limitations	(4)	(3)	(5)
Ending balance	$ 76	$ 187	$ 165