Expense Example (Invesco Balanced-Risk Retirement 2040 Fund, Class Institutional, Invesco Balanced-Risk Retirement 2040 Fund, USD $)	12 Months Ended
	May 02, 2011
Invesco Balanced-Risk Retirement 2040 Fund | Class Institutional, Invesco Balanced-Risk Retirement 2040 Fund
Example
Expense Example, By Year, Column [Text]	Institutional Class
1 Year	$ 81
3 Years	468
5 Years	880
10 Years	$ 2,033