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MERGER (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 08, 2014
Nov. 08, 2014
Pro forma results of operations    
Sales $ 24,987 $ 83,480
Net earnings including noncontrolling interests 365 1,212
Net earnings attributable to noncontrolling interests 3 14
Net earnings attributable to The Kroger Co. $ 362 $ 1,198