Discontinued Operations - Summary of Company's Operating Results and Certain Other Directly Attributable Expenses (Detail) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Feb. 25, 2017	Dec. 03, 2016	Dec. 05, 2015	Dec. 03, 2016	Dec. 05, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax		$ (14)	$ 19	$ 33	$ 78
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		1,038	1,069	3,529	3,567
Cost of sales		874	905	2,969	3,016
Gross profit		164	164	560	551
Selling and administrative expenses		135	129	454	430
Goodwill impairment charge		37	0	37	0
Operating (loss) earnings		(8)	35	69	121
Interest expense (income), net		0	0	1	(6)
Earnings (loss) before income taxes from discontinued operations		(8)	35	68	127
Income tax provision		6	$ 16	$ 35	$ 49
Save-A-Lot [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]
Goodwill impairment charge		$ 37
Forecast [Member] | Minimum [Member] | Save-A-Lot [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]
Gain on disposal	$ 560
Valuation allowance	255
Forecast [Member] | Maximum [Member] | Save-A-Lot [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]
Gain on disposal	580
Valuation allowance	$ 275