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Net Income (Loss) per Share Attributable to Panasonic Corporation Common Shareholders (Schedule of Net Income (Loss) Attributable to Parent) (Details) (JPY ¥)
In Millions
12 Months Ended
Mar. 31, 2011
Mar. 31, 2010
Mar. 31, 2009
Net Income (Loss) per Share Attributable to Panasonic Corporation Common Shareholders      
Net income (loss) attributable to Panasonic Corporation common shareholders ¥ 74,017 ¥ (103,465) ¥ (378,961)