10-Q Filing

AMEREN CORP CIK: 1002910 Q2 2020

Filing Information

Form Type	10-Q
Accession Number	`0001002910-20-000128`
Period End Date	20200630
Filing Date	20200810
Fiscal Year	2020
Fiscal Period	Q2
XBRL Instance	aee-20200630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 93 Income Statement 100 Cash Flow Statement 85 Stockholders Equity 48

Balance Sheet 93 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$8.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$16.00M	USD	Point-in-time
Accounts receivable - trade (less allowance for doubtful accounts)	`AccountsReceivableNetCurrent`	$393.00M	USD	Point-in-time
Accounts receivable - trade (less allowance for doubtful accounts)	`AccountsReceivableNetCurrent`	$486.00M	USD	Point-in-time
Unbilled revenue	`UnbilledReceivablesCurrent`	$323.00M	USD	Point-in-time
Unbilled revenue	`UnbilledReceivablesCurrent`	$278.00M	USD	Point-in-time
Miscellaneous accounts receivable	`OtherReceivablesNetCurrent`	$76.00M	USD	Point-in-time
Miscellaneous accounts receivable	`OtherReceivablesNetCurrent`	$63.00M	USD	Point-in-time
Inventories	`InventoryNet`	$494.00M	USD	Point-in-time
Inventories	`InventoryNet`	$514.00M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$69.00M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$82.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$131.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$118.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.43B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.62B	USD	Point-in-time
Property, Plant, and Equipment, Net	`PropertyPlantAndEquipmentNet`	$24.38B	USD	Point-in-time
Property, Plant, and Equipment, Net	`PropertyPlantAndEquipmentNet`	$25.08B	USD	Point-in-time
Nuclear decommissioning trust fund	`DecommissioningFundInvestments`	$847.00M	USD	Point-in-time
Nuclear decommissioning trust fund	`DecommissioningFundInvestments`	$854.00M	USD	Point-in-time
Goodwill	`Goodwill`	$411.00M	USD	Point-in-time
Goodwill	`Goodwill`	$411.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$992.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.13B	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$917.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$876.00M	USD	Point-in-time
Total investments and other assets	`RegulatedEntityOtherAssetsNoncurrent`	$3.31B	USD	Point-in-time
Total investments and other assets	`RegulatedEntityOtherAssetsNoncurrent`	$3.13B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$28.93B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$30.02B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$442.00M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$357.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$440.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$120.00M	USD	Point-in-time
Accounts and wages payable	`AccountsPayableAndAccruedLiabilitiesCurrent`	$874.00M	USD	Point-in-time
Accounts and wages payable	`AccountsPayableAndAccruedLiabilitiesCurrent`	$616.00M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$142.00M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$37.00M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$118.00M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$94.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$126.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$111.00M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$147.00M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$164.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$343.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$374.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.00B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.50B	USD	Point-in-time
Long-term Debt, Net	`LongTermDebtNoncurrent`	$8.91B	USD	Point-in-time
Long-term Debt, Net	`LongTermDebtNoncurrent`	$10.17B	USD	Point-in-time
Accumulated deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$2.92B	USD	Point-in-time
Accumulated deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$3.03B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$4.93B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$4.89B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$639.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$638.00M	USD	Point-in-time
Pension and other postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$401.00M	USD	Point-in-time
Pension and other postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$414.00M	USD	Point-in-time
Other deferred credits and liabilities	`OtherLiabilitiesNoncurrent`	$456.00M	USD	Point-in-time
Other deferred credits and liabilities	`OtherLiabilitiesNoncurrent`	$467.00M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$9.48B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$9.31B	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common Stock	`CommonStockValue`	$2.00M	USD	Point-in-time
Common Stock	`CommonStockValue`	$2.00M	USD	Point-in-time
Other paid-in capital, principally premium on common stock	`AdditionalPaidInCapital`	$5.72B	USD	Point-in-time
Other paid-in capital, principally premium on common stock	`AdditionalPaidInCapital`	$5.69B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.52B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.38B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-16.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-17.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.06B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.23B	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$142.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$142.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.93B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.37B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$28.93B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$30.02B	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$25.00M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$17.00M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	400.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	400.00M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	247.10M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	245.80M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	246.90M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	244.50M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	245.60M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	246.20M	shares	Point-in-time

Income Statement 100 line items

Line Item	Tag	Value	Unit	Period
Revenue from Contract with Customer, Including Assessed Tax	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.38B	USD	1 Quarter
Revenue from Contract with Customer, Including Assessed Tax	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.40B	USD	1 Quarter
Revenue from Contract with Customer, Including Assessed Tax	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.94B	USD	2 Qtrs
Revenue from Contract with Customer, Including Assessed Tax	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.84B	USD	2 Qtrs
Fuel	`UtilitiesOperatingExpenseFuelUsed`	$262.00M	USD	2 Qtrs
Fuel	`UtilitiesOperatingExpenseFuelUsed`	$102.00M	USD	1 Quarter
Fuel	`UtilitiesOperatingExpenseFuelUsed`	$119.00M	USD	1 Quarter
Fuel	`UtilitiesOperatingExpenseFuelUsed`	$259.00M	USD	2 Qtrs
Purchased Power	`UtilitiesOperatingExpensePurchasedPower`	$136.00M	USD	1 Quarter
Purchased Power	`UtilitiesOperatingExpensePurchasedPower`	$109.00M	USD	1 Quarter
Purchased Power	`UtilitiesOperatingExpensePurchasedPower`	$292.00M	USD	2 Qtrs
Purchased Power	`UtilitiesOperatingExpensePurchasedPower`	$243.00M	USD	2 Qtrs
Natural gas purchased for resale	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$149.00M	USD	2 Qtrs
Natural gas purchased for resale	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$42.00M	USD	1 Quarter
Natural gas purchased for resale	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$205.00M	USD	2 Qtrs
Natural gas purchased for resale	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$44.00M	USD	1 Quarter
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$384.00M	USD	1 Quarter
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$450.00M	USD	1 Quarter
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$822.00M	USD	2 Qtrs
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$867.00M	USD	2 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$497.00M	USD	2 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$271.00M	USD	1 Quarter
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$526.00M	USD	2 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$249.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$244.00M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$118.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$244.00M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$119.00M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$1.10B	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$2.37B	USD	2 Qtrs
Total operating expenses	`OperatingExpenses`	$1.04B	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$2.24B	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$280.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$568.00M	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$354.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$595.00M	USD	2 Qtrs
Other Income (Expense), Net	`OtherNonoperatingIncomeExpense`	$48.00M	USD	1 Quarter
Other Income (Expense), Net	`OtherNonoperatingIncomeExpense`	$69.00M	USD	2 Qtrs
Other Income (Expense), Net	`OtherNonoperatingIncomeExpense`	$36.00M	USD	1 Quarter
Other Income (Expense), Net	`OtherNonoperatingIncomeExpense`	$65.00M	USD	2 Qtrs
Interest Charges	`InterestExpense`	$108.00M	USD	1 Quarter
Interest Charges	`InterestExpense`	$97.00M	USD	1 Quarter
Interest Charges	`InterestExpense`	$201.00M	USD	2 Qtrs
Interest Charges	`InterestExpense`	$194.00M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$219.00M	USD	1 Quarter
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$439.00M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$463.00M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$294.00M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$50.00M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$66.00M	USD	2 Qtrs
Income Taxes	`IncomeTaxExpenseBenefit`	$39.00M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$71.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$244.00M	USD	1 Quarter
Net income	`ProfitLoss`	$392.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$180.00M	USD	1 Quarter
Net income	`ProfitLoss`	$373.00M	USD	2 Qtrs
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	2 Qtrs
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	2 Qtrs
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$370.00M	USD	2 Qtrs
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$389.00M	USD	2 Qtrs
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$243.00M	USD	1 Quarter
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$179.00M	USD	1 Quarter
Pension and other postretirement benefit plan activity, net of income taxes (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	1 Quarter
Pension and other postretirement benefit plan activity, net of income taxes (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	2 Qtrs
Pension and other postretirement benefit plan activity, net of income taxes (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	1 Quarter
Pension and other postretirement benefit plan activity, net of income taxes (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	2 Qtrs
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$374.00M	USD	2 Qtrs
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$393.00M	USD	2 Qtrs
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$180.00M	USD	1 Quarter
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$244.00M	USD	1 Quarter
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.00M	USD	2 Qtrs
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.00M	USD	2 Qtrs
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$390.00M	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$243.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$179.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$371.00M	USD	2 Qtrs
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	2 Qtrs
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	2 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.51	USD	2 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.99	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.58	USD	2 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.73	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.98	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.72	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.57	USD	2 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.50	USD	2 Qtrs
Average Common Shares Outstanding - Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	246.90M	shares	1 Quarter
Average Common Shares Outstanding - Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	245.60M	shares	1 Quarter
Average Common Shares Outstanding - Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	246.70M	shares	2 Qtrs
Average Common Shares Outstanding - Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	245.30M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	246.80M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	248.00M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	247.90M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	247.20M	shares	1 Quarter

Cash Flow Statement 85 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$244.00M	USD	1 Quarter
Net income	`ProfitLoss`	$392.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$180.00M	USD	1 Quarter
Net income	`ProfitLoss`	$373.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$532.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$494.00M	USD	2 Qtrs
Amortization of nuclear fuel	`OtherAmortizationOfDeferredCharges`	$33.00M	USD	2 Qtrs
Amortization of nuclear fuel	`OtherAmortizationOfDeferredCharges`	$45.00M	USD	2 Qtrs
Amortization of debt issuance costs and premium/discounts	`AmortizationOfFinancingCostsAndDiscounts`	$9.00M	USD	2 Qtrs
Amortization of debt issuance costs and premium/discounts	`AmortizationOfFinancingCostsAndDiscounts`	$11.00M	USD	2 Qtrs
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$68.00M	USD	2 Qtrs
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$54.00M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$8.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$13.00M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$13.00M	USD	2 Qtrs
Stock-based compensation costs	`ShareBasedCompensation`	$11.00M	USD	2 Qtrs
Stock-based compensation costs	`ShareBasedCompensation`	$10.00M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-5.00M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$5.00M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$46.00M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$161.00M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-50.00M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$19.00M	USD	2 Qtrs
Accounts and wages payable	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-193.00M	USD	2 Qtrs
Accounts and wages payable	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-199.00M	USD	2 Qtrs
Taxes accrued	`IncreaseDecreaseInAccruedTaxesPayable`	$108.00M	USD	2 Qtrs
Taxes accrued	`IncreaseDecreaseInAccruedTaxesPayable`	$77.00M	USD	2 Qtrs
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$87.00M	USD	2 Qtrs
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-4.00M	USD	2 Qtrs
Assets, other	`IncreaseDecreaseInOtherOperatingAssets`	$11.00M	USD	2 Qtrs
Assets, other	`IncreaseDecreaseInOtherOperatingAssets`	$9.00M	USD	2 Qtrs
Liabilities, other	`IncreaseDecreaseInOtherOperatingLiabilities`	$63.00M	USD	2 Qtrs
Liabilities, other	`IncreaseDecreaseInOtherOperatingLiabilities`	$9.00M	USD	2 Qtrs
Pension and other postretirement benefits	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-5.00M	USD	2 Qtrs
Pension and other postretirement benefits	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-14.00M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$879.00M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$694.00M	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.23B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$581.00M	USD	1 Quarter
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.12B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$592.00M	USD	1 Quarter
Nuclear fuel expenditures	`PaymentsForNuclearFuel`	$25.00M	USD	2 Qtrs
Nuclear fuel expenditures	`PaymentsForNuclearFuel`	$56.00M	USD	2 Qtrs
Purchases of securities nuclear decommissioning trust fund	`PaymentsToInvestInDecommissioningFund`	$153.00M	USD	2 Qtrs
Purchases of securities nuclear decommissioning trust fund	`PaymentsToInvestInDecommissioningFund`	$96.00M	USD	2 Qtrs
Sales and maturities of securities nuclear decommissioning trust fund	`ProceedsFromDecommissioningFund`	$95.00M	USD	2 Qtrs
Sales and maturities of securities nuclear decommissioning trust fund	`ProceedsFromDecommissioningFund`	$121.00M	USD	2 Qtrs
Purchase of bonds	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	-	USD	2 Qtrs
Purchase of bonds	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$97.00M	USD	2 Qtrs
Proceeds from sale of remarketed bonds	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$97.00M	USD	2 Qtrs
Proceeds from sale of remarketed bonds	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	-	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.00M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.00M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.15B	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.31B	USD	2 Qtrs
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$244.00M	USD	2 Qtrs
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$233.00M	USD	2 Qtrs
Dividends paid to noncontrolling interest holders	`PaymentsOfDividendsMinorityInterest`	$3.00M	USD	2 Qtrs
Dividends paid to noncontrolling interest holders	`PaymentsOfDividendsMinorityInterest`	$3.00M	USD	2 Qtrs
Short-term debt, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-320.00M	USD	2 Qtrs
Short-term debt, net	`ProceedsFromRepaymentsOfShortTermDebt`	$401.00M	USD	2 Qtrs
Maturities of long-term debt	`RepaymentsOfLongTermDebt`	$85.00M	USD	2 Qtrs
Maturities of long-term debt	`RepaymentsOfLongTermDebt`	$329.00M	USD	2 Qtrs
Issuances of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.26B	USD	2 Qtrs
Issuances of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$450.00M	USD	2 Qtrs
Issuances of common stock	`ProceedsFromIssuanceOfCommonStock`	$27.00M	USD	2 Qtrs
Issuances of common stock	`ProceedsFromIssuanceOfCommonStock`	$37.00M	USD	2 Qtrs
Issuances of common stock	`ProceedsFromIssuanceOfCommonStock`	$14.00M	USD	1 Quarter
Employee payroll taxes related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$20.00M	USD	2 Qtrs
Employee payroll taxes related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$29.00M	USD	2 Qtrs
Debt issuance costs	`PaymentOfFinancingAndStockIssuanceCosts`	$10.00M	USD	2 Qtrs
Debt issuance costs	`PaymentOfFinancingAndStockIssuanceCosts`	$4.00M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$290.00M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$608.00M	USD	2 Qtrs
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-13.00M	USD	2 Qtrs
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$15.00M	USD	2 Qtrs
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$107.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$122.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$176.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$163.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$107.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$122.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$176.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$163.00M	USD	Point-in-time

Stockholders Equity 48 line items

Line Item	Tag	Value	Unit	Period
Beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.20B	USD	Point-in-time
Beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.93B	USD	Point-in-time
Beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.37B	USD	Point-in-time
Net income	`ProfitLoss`	$244.00M	USD	1 Quarter
Net income	`ProfitLoss`	$392.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$180.00M	USD	1 Quarter
Net income	`ProfitLoss`	$373.00M	USD	2 Qtrs
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$370.00M	USD	2 Qtrs
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$389.00M	USD	2 Qtrs
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$243.00M	USD	1 Quarter
Net income attributable to Ameren common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$179.00M	USD	1 Quarter
Change in deferred retirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	1 Quarter
Change in deferred retirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	2 Qtrs
Change in deferred retirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	1 Quarter
Change in deferred retirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	2 Qtrs
Net income attributable to noncontrolling interest holders	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	2 Qtrs
Net income attributable to noncontrolling interest holders	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Net income attributable to noncontrolling interest holders	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Net income attributable to noncontrolling interest holders	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	2 Qtrs
Common stock shares outstanding at beginning of year	`CommonStockSharesOutstanding`	247.10M	shares	Point-in-time
Common stock shares outstanding at beginning of year	`CommonStockSharesOutstanding`	245.80M	shares	Point-in-time
Common stock shares outstanding at beginning of year	`CommonStockSharesOutstanding`	246.90M	shares	Point-in-time
Common stock shares outstanding at beginning of year	`CommonStockSharesOutstanding`	244.50M	shares	Point-in-time
Common stock shares outstanding at beginning of year	`CommonStockSharesOutstanding`	245.60M	shares	Point-in-time
Common stock shares outstanding at beginning of year	`CommonStockSharesOutstanding`	246.20M	shares	Point-in-time
Shares issued under the DRPlus and 401(k) plan	`StockIssuedDuringPeriodSharesNewIssues`	200,000.00	shares	1 Quarter
Shares issued under the DRPlus and 401(k) plan	`StockIssuedDuringPeriodSharesNewIssues`	200,000.00	shares	1 Quarter
Shares issued under the DRPlus and 401(k) plan	`StockIssuedDuringPeriodSharesNewIssues`	400,000.00	shares	2 Qtrs
Shares issued under the DRPlus and 401(k) plan	`StockIssuedDuringPeriodSharesNewIssues`	500,000.00	shares	2 Qtrs
Shares issued for stock-based compensation	`StockIssuedDuringPeriodSharesOther`	800,000.00	shares	2 Qtrs
Shares issued for stock-based compensation	`StockIssuedDuringPeriodSharesOther`	0.00	shares	1 Quarter
Shares issued for stock-based compensation	`StockIssuedDuringPeriodSharesOther`	500,000.00	shares	2 Qtrs
Shares issued for stock-based compensation	`StockIssuedDuringPeriodSharesOther`	0.00	shares	1 Quarter
Common stock shares outstanding at end of period	`CommonStockSharesOutstanding`	247.10M	shares	Point-in-time
Common stock shares outstanding at end of period	`CommonStockSharesOutstanding`	245.80M	shares	Point-in-time
Common stock shares outstanding at end of period	`CommonStockSharesOutstanding`	246.90M	shares	Point-in-time
Common stock shares outstanding at end of period	`CommonStockSharesOutstanding`	244.50M	shares	Point-in-time
Common stock shares outstanding at end of period	`CommonStockSharesOutstanding`	245.60M	shares	Point-in-time
Common stock shares outstanding at end of period	`CommonStockSharesOutstanding`	246.20M	shares	Point-in-time
End of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.20B	USD	Point-in-time
End of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.93B	USD	Point-in-time
End of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.37B	USD	Point-in-time
Dividends per common share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.49	USD	1 Quarter
Dividends per common share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.47	USD	1 Quarter
Dividends per common share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	2 Qtrs
Dividends per common share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	2 Qtrs
Shareholders' equity, end of year	`StockholdersEquity`	$8.06B	USD	Point-in-time
Shareholders' equity, end of year	`StockholdersEquity`	$8.23B	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.