$AEE
AMEREN CORP Stock $aee

$aee Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-Q Financial Statement

#000100291018000140 Filed on November 02, 2018

Income Statement

Concept	2018 Q4	2018 Q3	2017 Q4
Revenue	$1.419B	$1.724B	$1.399B
YoY Change	1.43%	0.06%	3.17%
Cost Of Revenue	$250.0M	$178.0M	$262.0M
YoY Change	-4.58%	-5.32%	-8.39%
Gross Profit	$1.169B	$1.546B	$1.140B
YoY Change	2.54%	0.72%	6.54%
Gross Profit Margin	82.38%	89.68%	81.49%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$239.0M	$236.0M	$223.0M
YoY Change	7.17%	7.27%	6.19%
% of Gross Profit	20.44%	15.27%	19.56%
Operating Expenses	$1.003B	$1.191B	$915.0M
YoY Change	9.62%	3.21%	-7.01%
Operating Profit	$166.0M	$533.0M	$212.0M
YoY Change	-21.7%	-6.33%	46.21%
Interest Expense	-$77.00M	$101.0M	-$87.00M
YoY Change	-11.49%	4.12%	1.16%
% of Operating Profit	-46.39%	18.95%	-41.04%
Other Income/Expense, Net	-$4.000M	$32.00M	$3.000M
YoY Change	-233.33%	39.13%	-94.92%
Pretax Income	$85.00M	$464.0M	$141.0M
YoY Change	-39.72%	-6.26%	138.98%
Income Tax	$16.00M	$105.0M	$46.00M
% Of Pretax Income	18.82%	22.63%	32.62%
Net Earnings	$69.00M	$359.0M	-$60.00M
YoY Change	-215.0%	24.65%	-287.5%
Net Earnings / Revenue	4.86%	20.82%	-4.29%
Basic Earnings Per Share	$0.28	$1.46	-$0.24
Diluted Earnings Per Share	$0.28	$1.45	-$0.24
COMMON SHARES
Basic Shares Outstanding	244.3M shares	244.1M shares	242.6M shares
Diluted Shares Outstanding		246.3M shares

Balance Sheet

Concept	2018 Q4	2018 Q3	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$16.00M	$11.00M	$10.00M
YoY Change	60.0%	22.22%	11.11%
Cash & Equivalents	$16.00M	$11.00M	$10.00M
Short-Term Investments
Other Short-Term Assets	$63.00M	$83.00M	$98.00M
YoY Change	-35.71%	-13.54%	-13.27%
Inventory	$483.0M	$525.0M	$522.0M
Prepaid Expenses
Receivables	$463.0M	$605.0M	$445.0M
Other Receivables	$79.00M	$84.00M	$70.00M
Total Short-Term Assets	$1.533B	$1.640B	$1.612B
YoY Change	-4.9%	3.73%	1.19%
LONG-TERM ASSETS
Property, Plant & Equipment	$22.81B	$22.38B	$21.47B
YoY Change	6.26%	7.05%	6.73%
Goodwill	$411.0M	$411.0M	$411.0M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$684.0M	$752.0M	$704.0M
YoY Change	-2.84%	11.9%	15.98%
Other Assets	$650.0M	$647.0M	$522.0M
YoY Change	24.52%	20.26%	-2.97%
Total Long-Term Assets	$25.68B	$25.32B	$24.33B
YoY Change	5.54%	5.34%	5.31%
TOTAL ASSETS
Total Short-Term Assets	$1.533B	$1.640B	$1.612B
Total Long-Term Assets	$25.68B	$25.32B	$24.33B
Total Assets	$27.22B	$26.96B	$25.95B
YoY Change	4.89%	5.24%	5.04%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$817.0M	$591.0M	$902.0M
YoY Change	-9.42%	7.85%	12.05%
Accrued Expenses	$93.00M	$108.0M	$99.00M
YoY Change	-6.06%	1.89%	6.45%
Deferred Revenue	$116.0M	$126.0M	$108.0M
YoY Change	7.41%
Short-Term Debt	$597.0M	$521.0M	$484.0M
YoY Change	23.35%	16.82%	-13.26%
Long-Term Debt Due	$580.0M	$649.0M	$841.0M
YoY Change	-31.03%	-16.47%	23.49%
Total Short-Term Liabilities	$2.687B	$2.580B	$2.940B
YoY Change	-8.61%	-0.04%	9.95%
LONG-TERM LIABILITIES
Long-Term Debt	$7.859B	$7.614B	$7.094B
YoY Change	10.78%	10.0%	7.57%
Other Long-Term Liabilities	$408.0M	$409.0M	$460.0M
YoY Change	-11.3%	-12.79%	-3.56%
Total Long-Term Liabilities	$8.267B	$8.023B	$7.554B
YoY Change	9.44%	8.55%	6.82%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.687B	$2.580B	$2.940B
Total Long-Term Liabilities	$8.267B	$8.023B	$7.554B
Total Liabilities	$10.95B	$10.60B	$10.49B
YoY Change	4.38%	6.33%	7.67%
SHAREHOLDERS EQUITY
Retained Earnings	$2.024B	$2.073B	$1.660B
YoY Change	21.93%	13.28%	5.87%
Common Stock	$2.000M	$2.000M	$2.000M
YoY Change	0.0%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$7.631B	$7.656B	$7.184B
YoY Change
Total Liabilities & Shareholders Equity	$27.22B	$26.96B	$25.95B
YoY Change	4.89%	5.24%	5.04%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2017 Q4
OPERATING ACTIVITIES
Net Income	$69.00M	$359.0M	-$60.00M
YoY Change	-215.0%	24.65%	-287.5%
Depreciation, Depletion And Amortization	$239.0M	$236.0M	$223.0M
YoY Change	7.17%	7.27%	6.19%
Cash From Operating Activities	$484.0M	$866.0M	$471.0M
YoY Change	2.76%	10.46%	-15.59%
INVESTING ACTIVITIES
Capital Expenditures	-$619.0M	$577.0M	-$620.0M
YoY Change	-0.16%	9.9%	4.38%
Acquisitions
YoY Change
Other Investing Activities	$2.000M	$1.000M	$0.00
YoY Change		-50.0%	-100.0%
Cash From Investing Activities	-$617.0M	-$590.0M	-$620.0M
YoY Change	-0.48%	12.38%	2.14%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$16.00M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	148.0M	-280.0M	160.0M
YoY Change	-7.5%	9.8%	566.67%
NET CHANGE
Cash From Operating Activities	484.0M	866.0M	471.0M
Cash From Investing Activities	-617.0M	-590.0M	-620.0M
Cash From Financing Activities	148.0M	-280.0M	160.0M
Net Change In Cash	15.00M	-4.000M	11.00M
YoY Change	36.36%	-200.0%	-144.0%
FREE CASH FLOW
Cash From Operating Activities	$484.0M	$866.0M	$471.0M
Capital Expenditures	-$619.0M	$577.0M	-$620.0M
Free Cash Flow	$1.103B	$289.0M	$1.091B
YoY Change	1.1%	11.58%	-5.3%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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	aee	Amount Of Additional Weekly Indemnity Coverage Commencing After Initial Indemnity Coverage AmountOfAdditionalWeeklyIndemnityCoverageCommencingAfterInitialIndemnityCoverage	3600000	USD
	aee	Amountof Weekly Indemnity Coverage Commencing Eight Weeks After Power Outage AmountofWeeklyIndemnityCoverageCommencingEightWeeksAfterPowerOutage	4500000	USD
CY2017Q4	aee	Corporateownedlifeinsuranceborrowings Corporateownedlifeinsuranceborrowings	120000000	USD
CY2018Q3	aee	Corporateownedlifeinsuranceborrowings Corporateownedlifeinsuranceborrowings	113000000	USD
CY2017Q3	aee	Defined Benefit Plan Nonservice Costor Income Components DefinedBenefitPlanNonserviceCostorIncomeComponents	11000000	USD
	aee	Defined Benefit Plan Nonservice Costor Income Components DefinedBenefitPlanNonserviceCostorIncomeComponents	33000000	USD
CY2018Q3	aee	Defined Benefit Plan Nonservice Costor Income Components DefinedBenefitPlanNonserviceCostorIncomeComponents	17000000	USD
	aee	Defined Benefit Plan Nonservice Costor Income Components DefinedBenefitPlanNonserviceCostorIncomeComponents	52000000	USD
CY2018Q3	aee	Derivative Potential Loss DerivativePotentialLoss	32000000	USD
CY2017Q3	aee	Donations Donations	0	USD
	aee	Donations Donations	7000000	USD
CY2018Q3	aee	Donations Donations	4000000	USD
	aee	Donations Donations	15000000	USD
CY2017Q3	aee	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortizationof Excess Deferred Taxes Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortizationofExcessDeferredTaxesPercent	0.00	Rate
	aee	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortizationof Excess Deferred Taxes Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortizationofExcessDeferredTaxesPercent	0.00	Rate
CY2018Q3	aee	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortizationof Excess Deferred Taxes Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortizationofExcessDeferredTaxesPercent	-0.06	Rate
	aee	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortizationof Excess Deferred Taxes Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortizationofExcessDeferredTaxesPercent	-0.03	Rate
	aee	Maximum Annual Payment Per Incident At Licensed Commercial Nuclear Reactor MaximumAnnualPaymentPerIncidentAtLicensedCommercialNuclearReactor	21000000	USD
	aee	Number Of Additional Weeks After Initial Indemnity Coverage For Power Outage NumberOfAdditionalWeeksAfterInitialIndemnityCoverageForPowerOutage	P1Y4M10D
	aee	Number Of Years Limit Of Liability And Maximum Potential Annual Payments Are Adjusted NumberOfYearsLimitOfLiabilityAndMaximumPotentialAnnualPaymentsAreAdjusted	P5Y
	aee	Numberofweeksofcoverageafterthefirsteightweeksofanoutage Numberofweeksofcoverageafterthefirsteightweeksofanoutage	P1Y
CY2017Q3	aee	Otherrevenuesnotfromcontractswithcustomers Otherrevenuesnotfromcontractswithcustomers	6000000	USD
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	aee	Peak Short Term Borrowings Interest Rate PeakShortTermBorrowingsInterestRate	0.0255
CY2017Q4	aee	Percentageof Rate Base Relatedto Carbon Dioxide Energy Centers PercentageofRateBaseRelatedtoCarbonDioxideEnergyCenters	0.17
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CY2016Q4	aee	Restricted Cashand Cash Equivalents Nuclear Decommissioning Trust Fund RestrictedCashandCashEquivalentsNuclearDecommissioningTrustFund	1000000	USD
CY2017Q3	aee	Restricted Cashand Cash Equivalents Nuclear Decommissioning Trust Fund RestrictedCashandCashEquivalentsNuclearDecommissioningTrustFund	2000000	USD
CY2017Q4	aee	Restricted Cashand Cash Equivalents Nuclear Decommissioning Trust Fund RestrictedCashandCashEquivalentsNuclearDecommissioningTrustFund	2000000	USD
CY2018Q3	aee	Restricted Cashand Cash Equivalents Nuclear Decommissioning Trust Fund RestrictedCashandCashEquivalentsNuclearDecommissioningTrustFund	3000000	USD
CY2017Q3	aee	Revenuesfromalternativerevenueprograms Revenuesfromalternativerevenueprograms	-105000000	USD
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	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001002910
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	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	0
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	AMEREN CORP
	dei	Entity Small Business EntitySmallBusiness	0
	dei	Trading Symbol TradingSymbol	AEE
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CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.18
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.45
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.04
CY2017Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.41	Rate
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.39	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.23	Rate
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.23	Rate
CY2017Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	Rate
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	Rate
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	Rate
CY2017Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.00	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.00	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.03	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.01	Rate
CY2017Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation	0.01	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation	0.00	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation	0.00	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciation	0.00	Rate
CY2017Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.00	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.06	Rate
CY2017Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.07	Rate
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.06	Rate
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.06	Rate
CY2017Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.01	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.01	Rate
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.01	Rate
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.01	Rate
CY2017Q3	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	77000000	USD
	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	204000000	USD
CY2018Q3	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	78000000	USD
	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	222000000	USD
CY2017Q3	us-gaap	Fuel Costs FuelCosts	199000000	USD
	us-gaap	Fuel Costs FuelCosts	594000000	USD
CY2018Q3	us-gaap	Fuel Costs FuelCosts	216000000	USD
	us-gaap	Fuel Costs FuelCosts	590000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	411000000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	411000000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	495000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	964000000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	464000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	973000000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	205000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	376000000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	105000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	221000000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	13000000	USD
	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	13000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-183000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-198000000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	138000000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	92000000	USD
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-31000000	USD
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-2000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	20000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-18000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	12000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-45000000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	59000000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	129000000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-89000000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-213000000	USD
CY2017Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2100000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1400000	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2200000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1900000	shares
CY2017Q3	us-gaap	Interest Expense InterestExpense	97000000	USD
	us-gaap	Interest Expense InterestExpense	295000000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	101000000	USD
	us-gaap	Interest Expense InterestExpense	302000000	USD
CY2017Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	20000000	USD
CY2018Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	19000000	USD
CY2017Q4	us-gaap	Interest Payable Current InterestPayableCurrent	99000000	USD
CY2018Q3	us-gaap	Interest Payable Current InterestPayableCurrent	108000000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	522000000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	525000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25945000000	USD
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	26959000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2940000000	USD
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	2580000000	USD
CY2017Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	8585000000	USD
CY2018Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	8967000000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	841000000	USD
CY2018Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	649000000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	7094000000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	7614000000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	142000000	USD
CY2018Q3	us-gaap	Minority Interest MinorityInterest	142000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-58000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	57000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1584000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1719000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1647000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1686000000	USD
CY2017Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5000000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5000000	USD
CY2017Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	288000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	583000000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	357000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	747000000	USD
	us-gaap	Net Realized Or Unrealized Gain Loss On Trading Securities NetRealizedOrUnrealizedGainLossOnTradingSecurities	53000000	USD
	us-gaap	Net Realized Or Unrealized Gain Loss On Trading Securities NetRealizedOrUnrealizedGainLossOnTradingSecurities	33000000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	1154000000	USD
	us-gaap	Operating Expenses OperatingExpenses	3577000000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	1191000000	USD
	us-gaap	Operating Expenses OperatingExpenses	3681000000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	569000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1198000000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	533000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1191000000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	98000000	USD
CY2018Q3	us-gaap	Other Assets Current OtherAssetsCurrent	83000000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	522000000	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	647000000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1000000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
CY2017Q3	us-gaap	Other Income OtherIncome	1000000	USD
	us-gaap	Other Income OtherIncome	3000000	USD
CY2018Q3	us-gaap	Other Income OtherIncome	2000000	USD
	us-gaap	Other Income OtherIncome	5000000	USD
CY2017Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	0	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	5000000	USD
CY2018Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	2000000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	6000000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	326000000	USD
CY2018Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	317000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	460000000	USD
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	409000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	7000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-21000000	USD
CY2017Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2000000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	9000000	USD
CY2018Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2000000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8000000	USD
CY2017Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	23000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	61000000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	32000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	84000000	USD
CY2017Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	70000000	USD
CY2018Q3	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	84000000	USD
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	5000000	USD
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	9000000	USD
	us-gaap	Payments For Nuclear Fuel PaymentsForNuclearFuel	52000000	USD
	us-gaap	Payments For Nuclear Fuel PaymentsForNuclearFuel	30000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-13000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	24000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	320000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	334000000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	5000000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	5000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	19000000	USD
CY2017Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	525000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1523000000	USD
CY2018Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	577000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1689000000	USD
	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	187000000	USD
	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	172000000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	545000000	USD
CY2018Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	529000000	USD
	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	175000000	USD
	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	159000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2018Q3	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	16000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	56000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	849000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	853000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-112000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	36000000	USD
CY2017Q3	us-gaap	Profit Loss ProfitLoss	290000000	USD
	us-gaap	Profit Loss ProfitLoss	588000000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	359000000	USD
	us-gaap	Profit Loss ProfitLoss	752000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21466000000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	22379000000	USD
CY2017Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	6000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	16000000	USD
CY2018Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	11000000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	25000000	USD
CY2017Q4	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	2867000000	USD
CY2018Q3	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	2940000000	USD
CY2017Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	144000000	USD
CY2018Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	72000000	USD
CY2017Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1230000000	USD
CY2018Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1130000000	USD
CY2017Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	128000000	USD
CY2018Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	114000000	USD
CY2017Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	4387000000	USD
CY2018Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	4652000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	425000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	522000000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	20000000	USD
CY2017Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	19000000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	21000000	USD
CY2018Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	15000000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	22000000	USD
CY2017Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	27000000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	35000000	USD
CY2018Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	63000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1660000000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2073000000	USD
CY2017Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1723000000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	4775000000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1724000000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	4872000000	USD
CY2017Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2018Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2017Q3	us-gaap	Revenues Revenues	1723000000	USD
	us-gaap	Revenues Revenues	4775000000	USD
CY2018Q3	us-gaap	Revenues Revenues	1724000000	USD
	us-gaap	Revenues Revenues	4872000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	15000000	USD
CY2017Q4	us-gaap	Share Price SharePrice	58.99
CY2017Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	484000000	USD
CY2018Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	521000000	USD
CY2017Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0127
CY2018Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0218
	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	754000000	USD
	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	629000000	USD
	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	948000000	USD
	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	1295000000	USD
	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2018Q1	us-gaap	Stock Issued1 StockIssued1	35000000	USD
	us-gaap	Stock Issued1 StockIssued1	35000000	USD
CY2018Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	700000	shares
CY2018Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	200000	shares
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	900000	shares
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	7184000000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	7656000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7326000000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7798000000	USD
CY2017Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	129000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	364000000	USD
CY2018Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	127000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	374000000	USD
CY2017Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	52000000	USD
CY2018Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	154000000	USD
CY2017Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	323000000	USD
CY2018Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	260000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	135000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	276000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	292000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	746000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	426000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	2136000000	USD
CY2018Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	261000000	USD
CY2017Q3	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	25000000	USD
	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	196000000	USD
CY2018Q3	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	30000000	USD
	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	252000000	USD
CY2017Q3	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	413000000	USD
	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	1262000000	USD
CY2018Q3	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	429000000	USD
	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	1299000000	USD
CY2017Q3	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	163000000	USD
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	493000000	USD
CY2018Q3	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	148000000	USD
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	453000000	USD
CY2018Q3	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	17000000	USD
CY2017Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Assets And Liabilities Net VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet	17000000	USD
CY2018Q3	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Assets And Liabilities Net VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet	20000000	USD
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	244700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	244000000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	246300000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	245500000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	242600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	242600000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	244100000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	243600000	shares
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:13px;text-indent:24px;font-size:10pt;"><font style="font-family:Arial Narrow;font-size:10pt;">Ameren, headquartered in St. Louis, Missouri, is a public utility holding company whose primary assets are its equity interests in its subsidiaries. Ameren’s subsidiaries are separate, independent legal entities with separate businesses, assets, and liabilities. Dividends on Ameren’s common stock and the payment of expenses by Ameren depend on distributions made to it by its subsidiaries. Ameren’s principal subsidiaries are listed below. Ameren has other subsidiaries that conduct other activities, such as providing shared services. Ameren evaluates competitive electric transmission investment opportunities as they arise.</font></div><table cellpadding="0" cellspacing="0" style="padding-top:13px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:10pt;padding-left:0px;"><font style="font-family:Arial Narrow;font-size:10pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:Arial Narrow;">Union Electric Company, doing business as Ameren Missouri, operates a rate-regulated electric generation, transmission, and distribution business and a rate-regulated natural gas distribution business in Missouri.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:10pt;padding-left:0px;"><font style="font-family:Arial Narrow;font-size:10pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:Arial Narrow;">Ameren Illinois Company, doing business as Ameren Illinois, operates rate-regulated electric transmission, electric distribution, and natural gas distribution businesses in Illinois.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:10pt;padding-left:0px;"><font style="font-family:Arial Narrow;font-size:10pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:Arial Narrow;">ATXI operates a FERC rate-regulated electric transmission business. ATXI is developing MISO-approved electric transmission projects, including the Illinois Rivers and Mark Twain projects, and placed the Spoon River project in service in February 2018.</font></div></td></tr></table></div>

Files In Submission

Name	View Source	Status
0001002910-18-000140-index-headers.html	Edgar Link	pending
0001002910-18-000140-index.html	Edgar Link	pending
0001002910-18-000140.txt	Edgar Link	pending
0001002910-18-000140-xbrl.zip	Edgar Link	pending
aee-20180930.xml	Edgar Link	completed
aee-20180930.xsd	Edgar Link	pending
aee-20180930_cal.xml	Edgar Link	unprocessable
aee-20180930_def.xml	Edgar Link	unprocessable
aee-20180930_lab.xml	Edgar Link	unprocessable
aee-20180930_pre.xml	Edgar Link	unprocessable
aee-2018q3.htm	Edgar Link	pending
aee-2018q3xexhibit311.htm	Edgar Link	pending
aee-2018q3xexhibit312.htm	Edgar Link	pending
aee-2018q3xexhibit313.htm	Edgar Link	pending
aee-2018q3xexhibit314.htm	Edgar Link	pending
aee-2018q3xexhibit315.htm	Edgar Link	pending
aee-2018q3xexhibit316.htm	Edgar Link	pending
aee-2018q3xexhibit321.htm	Edgar Link	pending
aee-2018q3xexhibit322.htm	Edgar Link	pending
aee-2018q3xexhibit323.htm	Edgar Link	pending
amerenillinois.jpg	Edgar Link	pending
amerenlogoa09.jpg	Edgar Link	pending
amerenmissouri.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AEE
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2018 Q4 Form 10-Q Financial Statement

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$AEE AMEREN CORP Stock $aee

2018 Q4 Form 10-Q Financial Statement

#000100291018000140 Filed on November 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AEE
AMEREN CORP Stock $aee