Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Dec. 02, 2017		Dec. 03, 2016		Dec. 02, 2017	Dec. 03, 2016
Statement of Comprehensive Income [Abstract]
Net earnings (loss) including noncontrolling interests	$ 26		$ (25)		$ 13	$ 54
Other comprehensive income:
Recognition of pension and other postretirement benefit obligations(1)	(1)	[1]	102	[1]	(2)	113	[1]
Recognition of interest rate swap cash flow hedge(2)	1	[2]	2	[2]	2	2	[2]
Total other comprehensive income	0		104		0	115
Comprehensive income including noncontrolling interests	26		79		13	169
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	0		(1)		(1)	(3)
Comprehensive income attributable to SUPERVALU INC.	$ 26		$ 78		$ 12	$ 166

[1] Amounts are net of tax expense (benefit) of $0, $49, $(1) and $55 for the third quarters of fiscal 2018 and 2017, and for fiscal 2018 and 2017 year-to-date, respectively.

[2] Amounts are net of tax expense of $0, $1, $1 and $1 for the third quarters of fiscal 2018 and 2017, and for fiscal 2018 and 2017 year-to-date, respectively.