XML 15 R3.htm IDEA: XBRL DOCUMENT v3.21.1
Shareholder Fees - Pioneer Fund
May 01, 2021
Class A  
Shareholder Fees:  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage) none [1]
Class C  
Shareholder Fees:  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) none
Maximum Deferred Sales Charge (as a percentage) 1.00%
Class Y  
Shareholder Fees:  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) none
Maximum Deferred Sales Charge (as a percentage) none
Class R  
Shareholder Fees:  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) none
Maximum Deferred Sales Charge (as a percentage) none
Class K  
Shareholder Fees:  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) none
Maximum Deferred Sales Charge (as a percentage) none
[1] Class A purchases of $500,000 or more that are not subject to an initial sales charge may be subject to a contingent deferred sales charge of 1%. See Sales charges.