Comprehensive Income and Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	4 Months Ended
	Jun. 20, 2015	Jun. 14, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss at beginning of the fiscal year, net of tax	$ (423)
Other comprehensive loss before reclassifications, net of tax benefit	(1)
Amortization of amounts included in net periodic benefit cost, net of tax expense of $8 and $5, respectively	14
Net current-period Other comprehensive income (loss), net of tax expense	(1)	$ 0
Net current-period Other comprehensive income (loss), net of tax	13	11
Accumulated other comprehensive loss at the end of period, net of tax	(410)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss at beginning of the fiscal year, net of tax	(423)	(307)
Other comprehensive loss before reclassifications, net of tax benefit	0	0
Amortization of amounts included in net periodic benefit cost, net of tax expense of $8 and $5, respectively	14	11
Net current-period Other comprehensive income (loss), net of tax expense	14	11
Accumulated other comprehensive loss at the end of period, net of tax	(409)	$ (296)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss at beginning of the fiscal year, net of tax	0
Other comprehensive loss before reclassifications, net of tax benefit	(1)
Net current-period Other comprehensive income (loss), net of tax expense	(1)
Accumulated other comprehensive loss at the end of period, net of tax	$ (1)