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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType Other
Document Period End Date dei_DocumentPeriodEndDate Dec. 31, 2010
Registrant Name dei_EntityRegistrantName AIM GROWTH SERIES (INVESCO GROWTH SERIES)
Central Index Key dei_EntityCentralIndexKey 0000202032
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jun. 23, 2011
Document Effective Date dei_DocumentEffectiveDate Jun. 23, 2011
Prospectus Date rr_ProspectusDate May 02, 2011
Invesco International Allocation Fund | Summary - Invesco International Allocation Fund, Class A B C R And Y
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] aimgs_SupplementTextBlock

Statutory Prospectus Supplement dated June 23, 2011

The purpose of this mailing is to provide you with changes to the current Statutory Prospectus for Class A, B, C, R and Y shares of the Fund listed below:

Invesco International Allocation Fund
Supplement Risk Narrative [Text Block] aimgs_SupplementRiskNarrativeTextBlock

Effective September 1, 2011, the following information is added underneath the last risk appearing under the heading “Fund Summary — Principal Risks of Investing in the Fund” and under the heading “Investment Objectives(s), Strategies, Risks and Portfolio Holdings — Risks”:

“Depositary Receipts Risk. Depositary receipts involve many of the same risks as those associated with direct investment in foreign securities. In addition, the underlying issuers of certain depositary receipts, particularly unsponsored or unregistered depositary receipts, are under no obligation to distribute shareholder communications to the holders of such receipts or to pass through to them any voting rights with respect to the deposited securities.”
Performance Information aimgs_FundPastPerformanceAbstract  
Supplement Performance Narrative [Text Block] aimgs_SupplementPerformanceNarrativeTextBlock Effective September 1, 2011, the following information replaces in its entirety the information appearing under the heading “Fund Summary — Performance Information — Average Annual Total Returns (for the periods ended December 31, 2010)”:
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Class A shares only and after-tax returns for other classes will vary.”
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for Class A shares only and after-tax returns for other classes will vary.
Invesco International Allocation Fund | Summary - Invesco Fund, Class Institutional
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] aimgs_SupplementTextBlock
Statutory Prospectus Supplement dated June 23, 2011
The purpose of this mailing is to provide you with changes to the current Statutory Prospectus for Institutional Class shares of the Funds listed below:
   
Invesco Global Equity Fund
 
Invesco Mid Cap Core Equity Fund
Invesco Growth Allocation Fund
 
Invesco Moderate Allocation Fund
Invesco Income Allocation Fund
 
Invesco Moderately Conservative Allocation Fund
Invesco International Allocation Fund
 
Invesco Small Cap Growth Fund
Supplement Risk Narrative [Text Block] aimgs_SupplementRiskNarrativeTextBlock

Effective September 1, 2011, the following information is added underneath the last risk appearing under the heading “Fund Summaries — Invesco International Allocation Fund — Principal Risks of Investing in the Fund” and under the heading “Investment Objectives(s), Strategies, Risks and Portfolio Holdings — Invesco International Allocation Fund — Risks”:

“Depositary Receipts Risk. Depositary receipts involve many of the same risks as those associated with direct investment in foreign securities. In addition, the underlying issuers of certain depositary receipts, particularly unsponsored or unregistered depositary receipts, are under no obligation to distribute shareholder communications to the holders of such receipts or to pass through to them any voting rights with respect to the deposited securities.”
Performance Information aimgs_FundPastPerformanceAbstract  
Supplement Performance Narrative [Text Block] aimgs_SupplementPerformanceNarrativeTextBlock Effective September 1, 2011, the following information replaces in its entirety the information appearing under the heading““Fund Summaries — Invesco International Allocation Fund — Performance Information — Average Annual Total Returns (for the periods ended December 31, 2010)”:
Invesco International Allocation Fund | Return Before Taxes | Class A, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class A: Inception (10/31/05)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 5.82%
5 Years rr_AverageAnnualReturnYear05 2.69%
Since Inception rr_AverageAnnualReturnSinceInception 4.09%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return Before Taxes | Class B, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class B: Inception (10/31/05)
1 Year rr_AverageAnnualReturnYear01 6.18%
5 Years rr_AverageAnnualReturnYear05 2.74%
Since Inception rr_AverageAnnualReturnSinceInception 4.29%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return Before Taxes | Class C, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class C: Inception (10/31/05)
1 Year rr_AverageAnnualReturnYear01 10.18%
5 Years rr_AverageAnnualReturnYear05 3.08%
Since Inception rr_AverageAnnualReturnSinceInception 4.45%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return Before Taxes | Class R, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class R: Inception (10/31/05)
1 Year rr_AverageAnnualReturnYear01 11.84%
5 Years rr_AverageAnnualReturnYear05 3.60%
Since Inception rr_AverageAnnualReturnSinceInception 4.99%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return Before Taxes | Class Y, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class Y: Inception (10/03/08) [1]
1 Year rr_AverageAnnualReturnYear01 12.29%
5 Years rr_AverageAnnualReturnYear05 3.97%
Since Inception rr_AverageAnnualReturnSinceInception 5.36%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 03, 2008
Invesco International Allocation Fund | Return Before Taxes | Class Institutional, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Institutional Class: Inception (10/31/05)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 12.37%
5 Years rr_AverageAnnualReturnYear05 4.10%
Since Inception rr_AverageAnnualReturnSinceInception 5.51%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return After Taxes on Distributions | Class A, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class A: Inception (10/31/05)
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 5.50%
5 Years rr_AverageAnnualReturnYear05 1.94%
Since Inception rr_AverageAnnualReturnSinceInception 3.23%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return After Taxes on Distributions | Class Institutional, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Institutional Class: Inception (10/31/05)
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 11.99%
5 Years rr_AverageAnnualReturnYear05 3.31%
Since Inception rr_AverageAnnualReturnSinceInception 4.60%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class A, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Class A: Inception (10/31/05)
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 4.20%
5 Years rr_AverageAnnualReturnYear05 2.16%
Since Inception rr_AverageAnnualReturnSinceInception 3.30%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class Institutional, Invesco International Allocation Fund
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Institutional Class: Inception (10/31/05)
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 8.52%
5 Years rr_AverageAnnualReturnYear05 3.38%
Since Inception rr_AverageAnnualReturnSinceInception 4.52%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | MSCI AC World Ex-US Index
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Label rr_AverageAnnualReturnLabel MSCI AC World Ex-US Index [2]
1 Year rr_AverageAnnualReturnYear01 11.15%
5 Years rr_AverageAnnualReturnYear05 4.82%
Since Inception rr_AverageAnnualReturnSinceInception 6.29%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | MSCI EAFE Index
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Label rr_AverageAnnualReturnLabel MSCI EAFE® Index: [2]
1 Year rr_AverageAnnualReturnYear01 7.75%
5 Years rr_AverageAnnualReturnYear05 2.46%
Since Inception rr_AverageAnnualReturnSinceInception 3.77%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
Invesco International Allocation Fund | Lipper International Multi-Cap Core Funds Index
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Label rr_AverageAnnualReturnLabel Lipper International Multi-Cap Core Funds Index:
1 Year rr_AverageAnnualReturnYear01 12.54%
5 Years rr_AverageAnnualReturnYear05 4.35%
Since Inception rr_AverageAnnualReturnSinceInception 5.52%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 31, 2005
[1] Class Y shares performance shown prior to the inception date is that of Class A shares and includes the 12b-1 fees applicable to Class A shares. Class A shares performance reflects any applicable fee waiver and/or expense reimbursement.
[2] The Fund has elected to use the MSCI AC World Ex-US Index rather than the MSCI EAFE Index as its broad-based securities market/style specific benchmark because the MSCI AC World Ex-US Index more appropriately reflects the Fund's investment style.