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Short-Term Debt And Liquidity (Schedule Of Maximum Aggregate Amount Available On Credit Agreements) (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Missouri Credit Agreement |
Line of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | $ 1,400
Missouri Credit Agreement | Ameren (parent) |
Line of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 1,000
Missouri Credit Agreement | Ameren Missouri |
Line of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 1,000
Illinois Credit Agreement |
Line of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 1,200
Illinois Credit Agreement | Ameren (parent) |
Line of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 700
Illinois Credit Agreement | Ameren Illinois |
Line of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | $ 1,000

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Details
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- Details
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