v3.26.1
N-4
May 01, 2026
Prospectus:  
Document Type N-4
Entity Registrant Name Talcott Resolution Life Insurance Co Separate Account 11
Entity Central Index Key 0001140019
Entity Investment Company Type N-4
Document Period End Date Sep. 04, 2026
Amendment Flag false
C000065160 [Member]  
Item 17. Investment Options [Line Items]  
Investment Options (N-4) [Text Block]

UNDERLYING
FUND TYPE

UNDERLYING FUND AND ADVISER/SUBADVISER

CURRENT EXPENSES
AVERAGE ANNUAL TOTAL RETURNS (as of December 31, 2025)
1 YEAR
5 YEARS
(or since inception)
10 YEARS
(or since inception)
US Fund Small BlendBNY Mellon Smallcap Stock Index Fund - Investor Shares*0.50%5.49%6.80%9.28%
Adviser: BNY Mellon Investment Adviser, Inc
Subadviser: N/A
* Denotes Underlying Funds and their investment advisers that have entered into temporary expense reimbursements and /or fee waivers. See the prospectus for the Underlying Fund for further information.
Variable Option [Line Items]  
Portfolio Companies [Table Text Block]

UNDERLYING
FUND TYPE

UNDERLYING FUND AND ADVISER/SUBADVISER

CURRENT EXPENSES
AVERAGE ANNUAL TOTAL RETURNS (as of December 31, 2025)
1 YEAR
5 YEARS
(or since inception)
10 YEARS
(or since inception)
US Fund Small BlendBNY Mellon Smallcap Stock Index Fund - Investor Shares*0.50%5.49%6.80%9.28%
Adviser: BNY Mellon Investment Adviser, Inc
Subadviser: N/A
* Denotes Underlying Funds and their investment advisers that have entered into temporary expense reimbursements and /or fee waivers. See the prospectus for the Underlying Fund for further information.
Temporary Fee Reductions, Current Expenses [Text Block] Denotes Underlying Funds and their investment advisers that have entered into temporary expense reimbursements and /or fee waivers. See the prospectus for the Underlying Fund for further information.
C000065160 [Member] | C000000296 [Member]  
Variable Option [Line Items]  
Portfolio Company Objective [Text Block] US Fund Small Blend
Portfolio Company Name [Text Block] BNY Mellon Smallcap Stock Index Fund - Investor Shares*
Portfolio Company Adviser [Text Block]
Adviser: BNY Mellon Investment Adviser, Inc
Current Expenses [Percent] 0.50%
Average Annual Total Returns, 1 Year [Percent] 5.49%
Average Annual Total Returns, 5 Years [Percent] 6.80%
Average Annual Total Returns, 10 Years [Percent] 9.28%