Discontinued Operations - Summary of Company's Operating Results and Certain Other Directly Attributable Expenses (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 02, 2017	Dec. 03, 2016	Dec. 02, 2017	Dec. 03, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax	$ 8	$ (14)	$ 8	$ 33
Save-A-Lot and NAI | Discontinued Operations, Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0	1,038	0	3,529
Cost of sales	0	874	0	2,969
Gross profit	0	164	0	560
Selling and administrative expenses	(1)	135	0	454
Goodwill impairment charge	0	37	0	37
Operating earnings (loss)	1	(8)	0	69
Interest (income) expense, net	(1)	0	(1)	1
Earnings (loss) from discontinued operations before income taxes	2	(8)	1	68
Income tax (benefit) provision	$ (6)	$ 6	$ (7)	$ 35