Summary of Significant Accounting Policies Revision Table (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Dec. 05, 2015	Nov. 29, 2014	Dec. 05, 2015	Nov. 29, 2014
Segment Reporting Information [Line Items]
Net sales	$ 4,114	$ 4,225	$ 13,583	$ 13,530
Sales Revenue Net Percent To Net Sales	100.00%	100.00%	100.00%	100.00%
Cost of sales	$ 3,513	$ 3,629	$ 11,589	$ 11,605
Gross Profit	601	596	1,994	1,925
Selling and administrative expenses	494	540	1,635	1,640
Operating Income (Loss)	101	56	353	285
Scenario, Previously Reported [Member]
Segment Reporting Information [Line Items]
Net sales		$ 4,204		$ 13,456
Sales Revenue Net Percent To Net Sales		100.00%		100.00%
Cost of sales		$ 3,611		$ 11,539
Gross Profit		593		1,917
Selling and administrative expenses		537		1,632
Operating Income (Loss)		56		285
Scenario, Adjustment [Member]
Segment Reporting Information [Line Items]
Net sales		$ 21		$ 74
Sales Revenue Net Percent To Net Sales		0.00%		0.00%
Cost of sales		$ 18		$ 66
Gross Profit		3		8
Selling and administrative expenses		3		8
Operating Income (Loss)		0		0
Independent Business [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,902	$ 1,972	$ 6,195	$ 6,227
Sales Revenue Net Percent To Net Sales	46.20%	46.70%	45.60%	46.00%
Operating Income (Loss)	$ 54	$ 60	$ 180	$ 180
Independent Business [Member] \| Scenario, Previously Reported [Member]
Segment Reporting Information [Line Items]
Net sales		$ 1,958		$ 6,178
Sales Revenue Net Percent To Net Sales		46.60%		45.90%
Independent Business [Member] \| Scenario, Adjustment [Member]
Segment Reporting Information [Line Items]
Net sales		$ 14		$ 49
Sales Revenue Net Percent To Net Sales		0.10%		0.10%
Save-A-Lot [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,069	$ 1,085	$ 3,568	$ 3,498
Sales Revenue Net Percent To Net Sales	26.00%	25.70%	26.30%	25.80%
Operating Income (Loss)	$ 32	$ 34	$ 115	$ 106
Save-A-Lot [Member] \| Scenario, Previously Reported [Member]
Segment Reporting Information [Line Items]
Net sales		$ 1,079		$ 3,477
Sales Revenue Net Percent To Net Sales		25.70%		25.80%
Save-A-Lot [Member] \| Scenario, Adjustment [Member]
Segment Reporting Information [Line Items]
Net sales		$ 6		$ 21
Sales Revenue Net Percent To Net Sales		0.00%		0.00%
Retail Food [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,097	$ 1,125	$ 3,662	$ 3,660
Sales Revenue Net Percent To Net Sales	26.70%	26.60%	27.00%	27.10%
Operating Income (Loss)	$ 21	$ 28	$ 64	$ 78
Retail Food [Member] \| Scenario, Previously Reported [Member]
Segment Reporting Information [Line Items]
Net sales		$ 1,124		$ 3,656
Sales Revenue Net Percent To Net Sales		26.70%		27.20%
Retail Food [Member] \| Scenario, Adjustment [Member]
Segment Reporting Information [Line Items]
Net sales		$ 1		$ 4
Sales Revenue Net Percent To Net Sales		(0.10%)		(0.10%)
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Net sales	$ 46	$ 43	$ 158	$ 145
Sales Revenue Net Percent To Net Sales	1.10%	1.00%	1.10%	1.10%
Operating Income (Loss)	$ (6)	$ (66)	$ (6)	$ (79)
Corporate Segment [Member] \| Scenario, Previously Reported [Member]
Segment Reporting Information [Line Items]
Net sales		$ 43		$ 145
Sales Revenue Net Percent To Net Sales		1.00%		1.10%
Corporate Segment [Member] \| Scenario, Adjustment [Member]
Segment Reporting Information [Line Items]
Net sales		$ 0		$ 0
Sales Revenue Net Percent To Net Sales		0.00%		0.00%

Sales revenue, net as a percentage of consolidated net sales.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34747878&loc=d3e3636-108311

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 4
-Article 5

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