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Postretirement Benefits - Narrative (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2024 USD ($)
Employee pension plan |
Postretirement Benefits |
Funding target (as a percentage of the funding target liability) | 100.00%
Defined benefit plan, plan assets, contributions by employer | $ 33
Erie Insurance Exchange | Employee pension plan |
Postretirement Benefits |
Postretirement annual benefit income and expense reimbursed to and from, respectively, the Exchange and its subsidiaries (as a percent) | 61.00%
Erie Insurance Exchange | Supplemental employee retirement plan (SERP) |
Postretirement Benefits |
Postretirement annual benefit income and expense reimbursed to and from, respectively, the Exchange and its subsidiaries (as a percent) | 34.00%

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- Definition Represents the percentage at which postretirement benefit income and expense are reimbursed to and from, respectively, the attorney-in-fact. + References No definition available. + Details
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- Details
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