Shareholder Fees	Sep. 30, 2024
Prospectus #1 | Eaton Vance Total Return Bond Fund | Class A
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	3.25%
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	none	[1]
Prospectus #1 | Eaton Vance Total Return Bond Fund | Class C
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	1.00%
Prospectus #1 | Eaton Vance Total Return Bond Fund | Class I
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	none
Prospectus #1 | Eaton Vance Total Return Bond Fund | Class R6
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	none
Prospectus #2 | Eaton Vance AMT-Free Municipal Income Fund | Class A
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	3.25%
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	none	[2]
Prospectus #2 | Eaton Vance AMT-Free Municipal Income Fund | Class C
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	1.00%
Prospectus #2 | Eaton Vance AMT-Free Municipal Income Fund | Class I
Shareholder Fees:
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption)	none

[1] Class A shares purchased at net asset value in amounts of $500,000 or more are subject to a 0.75% contingent deferred sales charge if redeemed within 12 months of purchase.

[2] Class A shares purchased at net asset value in amounts of $500,000 or more are subject to a 0.75% contingent deferred sales charge if redeemed within 12 months of purchase.