CONSOLIDATED SEGMENT FINANCIAL INFORMATION - USD ($) $ in Millions	12 Months Ended
	Feb. 25, 2017	Feb. 27, 2016	Feb. 28, 2015
Net sales
Net sales	$ 12,480	$ 12,907	$ 13,277
Net sales, %	100.00%	100.00%	100.00%
Operating earnings
Operating earnings	$ 183	$ 298	$ 250
Total operating earnings % of total net sales	1.50%	2.30%	1.90%
Interest expense, net	$ 181	$ 195	$ 242
Equity in earnings of unconsolidated affiliates	(5)	(5)	(4)
Earnings from continuing operations before income taxes	7	108	12
Income tax (benefit) provision	20	(24)	13
Net earnings from continuing operations	27	84	25
Income from discontinued operations, net of tax	627	102	174
Income from discontinued operations, net of tax	627	102	174
Net earnings including noncontrolling interests	654	186	199
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	4	8	7
Less net earnings attributable to noncontrolling interests	(4)	(8)	(7)
Net earnings attributable to SUPERVALU INC.	650	178	192
Depreciation and amortization
Depreciation and amortization	207	210	223
Capital expenditures
Capital expenditures	199	172	162
Identifiable assets
Identifiable assets	3,580	4,370	4,434
Wholesale
Net sales
Net sales	$ 7,705	$ 7,935	$ 8,198
Net sales, %	61.70%	61.50%	61.70%
Operating earnings
Operating earnings	$ 238	$ 230	$ 243
% of sales	3.10%	2.90%	3.00%
Depreciation and amortization
Depreciation and amortization	$ 54	$ 49	$ 48
Capital expenditures
Capital expenditures	87	76	73
Identifiable assets
Identifiable assets	2,075	1,998	1,997
Retail
Net sales
Net sales	$ 4,596	$ 4,769	$ 4,884
Net sales, %	36.80%	36.90%	36.80%
Operating earnings
Operating earnings	$ (45)	$ 94	$ 122
% of sales	(1.00%)	2.00%	2.50%
Depreciation and amortization
Depreciation and amortization	$ 145	$ 153	$ 172
Capital expenditures
Capital expenditures	112	96	89
Identifiable assets
Identifiable assets	1,217	1,328	1,381
Corporate
Net sales
Net sales	$ 179	$ 203	$ 195
Net sales, %	1.50%	1.60%	1.50%
Operating earnings
Operating earnings	$ (10)	$ (26)	$ (115)
Depreciation and amortization
Depreciation and amortization	8	8	3
Identifiable assets
Identifiable assets	288	45	78
Discontinuing Operations [Member]
Identifiable assets
Identifiable assets	$ 0	$ 999	$ 978