XML 9 R3.htm IDEA: XBRL DOCUMENT v3.6.0.2
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName GREAT-WEST FUNDS INC
Prospectus Date rr_ProspectusDate Apr. 29, 2016
Supplement [Text Block] gwfi_SupplementTextBlock
GREAT-WEST FUNDS, INC.

Great-West Ariel Mid Cap Value Fund
Institutional Class Ticker: MXOAX
Initial Class Ticker: MXMCX
Class L Ticker: MXAMX
(the "Fund")


Supplement dated January 10, 2017 to the Prospectus and Summary Prospectus for the Fund, dated April 29, 2016.

Effective immediately, under the "Example" section of the Prospectus and Summary Prospectus, the table on page 1 is hereby deleted in its entirety and replaced with the following table:

    
    1 Year      
 
  
    3 Years    
 
  
    5 Years    
 
  
  10 Years  
 
Institutional Class
 
  
$72
 
  
$224
 
  
$390
 
  
$871
 
Initial Class
 
  
$109
 
  
$340
 
  
$590
 
  
$1,306
 
Class L
 
  
$134
 
  
$423
 
  
$732
 
  
$1,611
 
Great-West Ariel Mid Cap Value Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] gwfi_SupplementTextBlock
GREAT-WEST FUNDS, INC.

Great-West Ariel Mid Cap Value Fund
Institutional Class Ticker: MXOAX
Initial Class Ticker: MXMCX
Class L Ticker: MXAMX
(the "Fund")


Supplement dated January 10, 2017 to the Prospectus and Summary Prospectus for the Fund, dated April 29, 2016.

Effective immediately, under the "Example" section of the Prospectus and Summary Prospectus, the table on page 1 is hereby deleted in its entirety and replaced with the following table:

    
    1 Year      
 
  
    3 Years    
 
  
    5 Years    
 
  
  10 Years  
 
Institutional Class
 
  
$72
 
  
$224
 
  
$390
 
  
$871
 
Initial Class
 
  
$109
 
  
$340
 
  
$590
 
  
$1,306
 
Class L
 
  
$134
 
  
$423
 
  
$732
 
  
$1,611
 
Great-West Ariel Mid Cap Value Fund | Institutional Class  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_ExpenseExampleYear01 $ 72
3 Years rr_ExpenseExampleYear03 224
5 Years rr_ExpenseExampleYear05 390
10 Years rr_ExpenseExampleYear10 871
Great-West Ariel Mid Cap Value Fund | Initial Class  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_ExpenseExampleYear01 109
3 Years rr_ExpenseExampleYear03 340
5 Years rr_ExpenseExampleYear05 590
10 Years rr_ExpenseExampleYear10 1,306
Great-West Ariel Mid Cap Value Fund | Class L  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_ExpenseExampleYear01 134
3 Years rr_ExpenseExampleYear03 423
5 Years rr_ExpenseExampleYear05 732
10 Years rr_ExpenseExampleYear10 $ 1,611