Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 06, 2014	Sep. 07, 2013	Sep. 06, 2014	Sep. 07, 2013
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 33	$ 41	$ 78	$ 129
Other comprehensive income:
Amortization of actuarial loss on pension and other postretirement benefit obligations, net of tax of $5, $8, $10 and $19, respectively	7	13	18	31
Comprehensive income including noncontrolling interests	40	54	96	160
Comprehensive income attributable to noncontrolling interests	2	1	4	4
Comprehensive income attributable to SUPERVALU INC.	$ 38	$ 53	$ 92	$ 156