v3.23.1
Risk/Return Detail Data - FidelityAdvisorLimitedTermBondFund-RetailPRO
Oct. 29, 2022
USD ($)
Risk/Return:  
Registrant Name Fidelity Advisor Series II
FidelityAdvisorLimitedTermBondFund-RetailPRO | Fidelity Advisor Limited Term Bond Fund  
Risk/Return:  
Supplement to Prospectus [Text Block] Supplement to the Fidelity Advisor® Limited Term Bond Fund October 29, 2022 Prospectus
Operating Expenses Caption [Text] Annual Operating Expenses
Fee Waiver or Reimbursement over Assets, Date of Termination Dec. 31, 2024
Expenses Restated to Reflect Current [Text] A Adjusted to reflect current fees.
FidelityAdvisorLimitedTermBondFund-RetailPRO | Fidelity Advisor Limited Term Bond Fund | Fidelity Limited Term Bond Fund  
Risk/Return:  
Management fee 0.20% [1]
Distribution and/or Service (12b-1) fees none
Other expenses 0.10% [1]
Total annual operating expenses 0.30%
1 year $ 31
3 years 97
5 years 169
10 years $ 381
[1] A Adjusted to reflect current fees.