Discontinued Operations - Summary of Company's Operating Results and Certain Other Directly Attributable Expenses (Detail) - USD ($) $ in Millions	4 Months Ended
	Jun. 17, 2017	Jun. 18, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations, net of tax	$ 0	$ 27
Save-A-Lot and NAI [Member] | Discontinued Operations, Held-for-sale or Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0	1,432
Cost of sales	0	1,203
Gross profit	0	229
Selling and administrative expenses	1	184
Operating (loss) earnings	(1)	45
Interest expense, net	0	1
(Loss) earnings before income taxes from discontinued operations	(1)	44
Income tax (benefit) provision	$ (1)	$ 17