Comprehensive Income and Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 03, 2016	Dec. 05, 2015	Dec. 03, 2016	Dec. 05, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss at beginning of the fiscal year, net of tax			$ (422)	$ (423)
Other comprehensive loss before reclassifications			69	16
Amortization of amounts included in net periodic benefit cost			15	32
Amortization of cash flow hedge			2
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax			29
Total other comprehensive income	$ 104	$ 27	115	48
Accumulated other comprehensive loss at the end of period, net of tax	(307)	(375)	(307)	(375)
Other comprehensive loss before reclassifications, tax benefit			33	8
Amortization of amounts included in net periodic benefit cost, tax expense			10	20
Amortization of cash flow hedge, tax expense			1
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax			12
Net current-period Other comprehensive income, tax expense			56	28
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss at beginning of the fiscal year, net of tax			(418)	(423)
Other comprehensive loss before reclassifications			69	18
Amortization of amounts included in net periodic benefit cost			15	32
Amortization of cash flow hedge			0
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax			29
Total other comprehensive income				50
Accumulated other comprehensive loss at the end of period, net of tax	(305)	(373)	(305)	(373)
Other comprehensive loss before reclassifications, tax benefit			33	9
Amortization of amounts included in net periodic benefit cost, tax expense			10	20
Amortization of cash flow hedge, tax expense			0
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax			12
Net current-period Other comprehensive income, tax expense			55	29
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss at beginning of the fiscal year, net of tax			(4)	0
Other comprehensive loss before reclassifications			0	(2)
Amortization of amounts included in net periodic benefit cost			0	0
Amortization of cash flow hedge			2
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax			0
Total other comprehensive income				(2)
Accumulated other comprehensive loss at the end of period, net of tax	$ (2)	$ (2)	(2)	(2)
Other comprehensive loss before reclassifications, tax benefit			0	(1)
Amortization of amounts included in net periodic benefit cost, tax expense			0	0
Amortization of cash flow hedge, tax expense			1
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax			0
Net current-period Other comprehensive income, tax expense			$ 1	$ (1)