XML 172 R99.htm IDEA: XBRL DOCUMENT
v3.25.4

Income Taxes (Narrative) (Details) - Federal $ in Millions | Aug. 16, 2022 USD ($)
--- | ---
Income Taxes [Line Items] |
Production and Investment Tax Credit Adder | 10.00%
Eligible Transfer of Tax Credits, Inflation Reduction Act | 100.00%
Minimum Tax on Book Income, Inflation Reduction Act, Percent | 15.00%
Minimum Adjusted Financial Statement Income Subject to Inflation Reduction Act Tax | $ 1,000

X
- Definition Eligible Transfer of Tax Credits, Inflation Reduction Act + References No definition available. + Details
Name: | aee_EligibleTransferOfTaxCreditsInflationReductionAct
Namespace Prefix: | aee_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition [Line Items] for Income Taxes [Table] + References No definition available. + Details
Name: | aee_IncomeTaxesLineItems
Namespace Prefix: | aee_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum Adjusted Financial Statement Income Subject to Inflation Reduction Act Tax + References No definition available. + Details
Name: | aee_MinimumAdjustedFinancialStatementIncomeSubjectToInflationReductionActTax
Namespace Prefix: | aee_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum Tax on Book Income, Inflation Reduction Act, Percent + References No definition available. + Details
Name: | aee_MinimumTaxOnBookIncomeInflationReductionActPercent
Namespace Prefix: | aee_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Adder to the production and investment tax credits for sitting projects at existing energy communities as defined in the IRA. + References No definition available. + Details
Name: | aee_ProductionAndInvestmentTaxCreditAdder
Namespace Prefix: | aee_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_InternalRevenueServiceIRSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |