Comprehensive Income and Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Nov. 29, 2014		Nov. 30, 2013
Equity [Abstract]
Other comprehensive (income) loss before reclassifications, amount of tax expense	$ (59)		$ 0
Pension settlement charge, amount of tax expense	27		0
Amortization of amounts included in net periodic benefit cost, amount of tax expense	15	[1]	28	[1]
Other comprehensive income, tax	(17)		28
Divestiture tax expense	$ 0		$ 31

[1] Amortization of amounts included in net periodic benefit cost include amortization of prior service benefit and amortization of net actuarial loss as reflected in Note 9—Benefit Plans.