Comprehensive Income and Accumulated Other Comprehensive Loss - Summary of Items Reclassified Out of Pension and Postretirement Benefit Plan Accumulated Other Comprehensive Loss (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Nov. 29, 2014		Nov. 30, 2013		Nov. 29, 2014		Nov. 30, 2013
Pension and postretirement benefit plan obligations:
Pension settlement charge					$ 36		$ 0
Total reclassifications	75		21		103		72
Income tax benefit	(32)		(9)		(42)		(28)
Total reclassifications, net of tax	43		12		61		44
Selling and Administrative Expenses [Member]
Pension and postretirement benefit plan obligations:
Amortization of amounts included in net periodic benefit cost	9	[1]	19	[1]	31	[1]	64	[1]
Pension settlement charge	63		0		63		0
Cost of Sales [Member]
Pension and postretirement benefit plan obligations:
Amortization of amounts included in net periodic benefit cost	$ 3	[1]	$ 2	[1]	$ 9	[1]	$ 8	[1]

[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.