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Folgers Merger (Details Textual) (USD $)
12 Months Ended 12 Months Ended
Apr. 30, 2011
Apr. 30, 2009
Apr. 30, 2009
Folgers coffee company [Member]
Apr. 30, 2011
Folgers coffee company [Member]
Nov. 06, 2008
Folgers coffee company [Member]
Apr. 30, 2011
Folgers coffee company [Member]
Customer and Contractual Relationships [Member]
Apr. 30, 2011
Folgers coffee company [Member]
Developed Technology Rights [Member]
Folgers Merger (Textuals) [Abstract]              
Weighted-average useful life of the finite-lived intangible assets [In years] 19         20 14
Common shares issued/received     63,200,000        
Common shares value   $ 3,366,353,000 $ 3,366,400,000        
Approximate aggregate purchase price         3,735,800,000    
Folgers goodwill assigned to the U.S. Retail Coffee Market and Special Markets segments         1,643,636,000    
Goodwill not deductible for tax       $ 1,634,300,000