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Expense Example (American Global Diversification Trust, USD $)
12 Months Ended
May 01, 2011
Series I, American Global Diversification Trust
 
Expense Example:  
Year 1 $ 125
Year 3 390
Year 5 676
Year 10 1,489
Series II, American Global Diversification Trust
 
Expense Example:  
Year 1 140
Year 3 437
Year 5 755
Year 10 1,657
Series III, American Global Diversification Trust
 
Expense Example:  
Year 1 90
Year 3 281
Year 5 488
Year 10 $ 1,084