$PPL
PPL Corp Stock $ppl

$ppl Overview Financials Valuation SEC Filings Company Website

2011 Q1 Form 10-Q Financial Statement

#000092222411000072 Filed on May 06, 2011

Income Statement

Concept	2011 Q1	2010 Q1
Revenue	$2.910B	$3.006B
YoY Change	-3.19%	29.9%
Cost Of Revenue	$766.0M	$1.660B
YoY Change	-53.86%	60.08%
Gross Profit	$2.144B	$1.346B
YoY Change	59.29%	2.98%
Gross Profit Margin	73.68%	44.78%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$255.0M	$179.0M
YoY Change	42.46%	62.73%
% of Gross Profit	11.89%	13.3%
Operating Expenses	$1.339B	$870.0M
YoY Change	53.91%	-2.79%
Operating Profit	$805.0M	$476.0M
YoY Change	69.12%	21.74%
Interest Expense	$174.0M	$111.0M
YoY Change	56.76%	-237.04%
% of Operating Profit	21.61%	23.32%
Other Income/Expense, Net	-$5.000M	$8.000M
YoY Change	-162.5%	-500.0%
Pretax Income	$625.0M	$373.0M
YoY Change	67.56%	9.38%
Income Tax	$223.0M	$126.0M
% Of Pretax Income	35.68%	33.78%
Net Earnings	$401.0M	$250.0M
YoY Change	60.4%	3.73%
Net Earnings / Revenue	13.78%	8.32%
Basic Earnings Per Share	$0.82	$0.66
Diluted Earnings Per Share	$0.82	$0.66
COMMON SHARES
Basic Shares Outstanding	484.1M shares	377.7M shares
Diluted Shares Outstanding	484.3M shares	378.0M shares

Balance Sheet

Concept	2011 Q1	2010 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.245B	$1.724B
YoY Change	-27.78%	120.74%
Cash & Equivalents	$1.245B	$1.724B
Short-Term Investments	$0.00
Other Short-Term Assets	$55.00M	$4.599B
YoY Change	-98.8%	65.25%
Inventory	$621.0M	$339.0M
Prepaid Expenses	$523.0M
Receivables	$734.0M	$503.0M
Other Receivables	$68.00M	$56.00M
Total Short-Term Assets	$5.747B	$7.221B
YoY Change	-20.41%	62.23%
LONG-TERM ASSETS
Property, Plant & Equipment	$21.18B	$13.06B
YoY Change	62.21%	6.32%
Goodwill	$1.792B
YoY Change
Intangibles	$963.0M
YoY Change
Long-Term Investments	$76.00M	$65.00M
YoY Change	16.92%	-10.96%
Other Assets	$583.0M	$3.229B
YoY Change	-81.94%	-11.85%
Total Long-Term Assets	$5.092B	$17.71B
YoY Change	-71.25%	2.16%
TOTAL ASSETS
Total Short-Term Assets	$5.747B	$7.221B
Total Long-Term Assets	$5.092B	$17.71B
Total Assets	$32.74B	$24.94B
YoY Change	31.31%	14.43%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$941.0M	$796.0M
YoY Change	18.22%	20.06%
Accrued Expenses	$224.0M	$129.0M
YoY Change	73.64%	0.0%
Deferred Revenue
YoY Change
Short-Term Debt	$881.0M	$589.0M
YoY Change	49.58%	1.38%
Long-Term Debt Due	$502.0M
YoY Change
Total Short-Term Liabilities	$4.902B	$5.792B
YoY Change	-15.37%	25.64%
LONG-TERM LIABILITIES
Long-Term Debt	$12.25B	$7.652B
YoY Change	60.05%	12.84%
Other Long-Term Liabilities	$739.0M	$2.967B
YoY Change	-75.09%	-4.26%
Total Long-Term Liabilities	$6.794B	$10.62B
YoY Change	-36.02%	7.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.902B	$5.792B
Total Long-Term Liabilities	$6.794B	$10.62B
Total Liabilities	$11.70B	$19.04B
YoY Change	-38.58%	15.04%
SHAREHOLDERS EQUITY
Retained Earnings	$4.312B
YoY Change
Common Stock	$4.642B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$8.530B	$5.892B
YoY Change
Total Liabilities & Shareholders Equity	$32.74B	$24.94B
YoY Change	31.31%	14.43%

Cashflow Statement

Concept	2011 Q1	2010 Q1
OPERATING ACTIVITIES
Net Income	$401.0M	$250.0M
YoY Change	60.4%	3.73%
Depreciation, Depletion And Amortization	$255.0M	$179.0M
YoY Change	42.46%	62.73%
Cash From Operating Activities	$196.0M	$798.0M
YoY Change	-75.44%	157.42%
INVESTING ACTIVITIES
Capital Expenditures	$428.0M	$283.0M
YoY Change	51.24%	-194.33%
Acquisitions
YoY Change
Other Investing Activities	$7.000M	$16.00M
YoY Change	-56.25%	-89.33%
Cash From Investing Activities	$98.00M	-$310.0M
YoY Change	-131.61%	106.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$16.00M	$14.00M
YoY Change	14.29%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$13.00M	$430.0M
YoY Change	-96.98%	-168.36%
NET CHANGE
Cash From Operating Activities	$196.0M	$798.0M
Cash From Investing Activities	$98.00M	-$310.0M
Cash From Financing Activities	$13.00M	$430.0M
Net Change In Cash	$307.0M	$918.0M
YoY Change	-66.56%	-295.74%
FREE CASH FLOW
Cash From Operating Activities	$196.0M	$798.0M
Capital Expenditures	$428.0M	$283.0M
Free Cash Flow	-$232.0M	$515.0M
YoY Change	-145.05%	-15.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2011Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	147000000	USD
CY2010Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	104000000	USD
CY2011Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5000000	USD
CY2010Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	247000000	USD
CY2010Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8000000	USD
CY2011Q1	ppl	Wholesale Energy Marketing Realized WholesaleEnergyMarketingRealized	1038000000	USD
CY2011Q1	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	1000000	USD
CY2011Q1	us-gaap	Interest Expense InterestExpense	174000000	USD
CY2011Q1	us-gaap	Utility Revenue UtilityRevenue	1536000000	USD
CY2010Q1	us-gaap	Utility Revenue UtilityRevenue	1014000000	USD
CY2010Q1	ppl	Wholesale Energy Marketing Realized WholesaleEnergyMarketingRealized	1359000000	USD
CY2011Q1	ppl	Wholesale Energy Marketing Unrealized Economic Activity WholesaleEnergyMarketingUnrealizedEconomicActivity	57000000	USD
CY2010Q1	ppl	Wholesale Energy Marketing Unrealized Economic Activity WholesaleEnergyMarketingUnrealizedEconomicActivity	424000000	USD
CY2011Q1	us-gaap	Gain Loss On Derivative Instruments Held For Trading Purposes Net GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet	11000000	USD
CY2010Q1	us-gaap	Gain Loss On Derivative Instruments Held For Trading Purposes Net GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet	11000000	USD
CY2011Q1	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	121000000	USD
CY2010Q1	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	94000000	USD
CY2011Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2910000000	USD
CY2010Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3006000000	USD
CY2011Q1	us-gaap	Fuel Costs FuelCosts	475000000	USD
CY2010Q1	us-gaap	Fuel Costs FuelCosts	230000000	USD
CY2011Q1	ppl	Energy Purchases Unrealized Economic Activity EnergyPurchasesUnrealizedEconomicActivity	-18000000	USD
CY2010Q1	ppl	Energy Purchases Unrealized Economic Activity EnergyPurchasesUnrealizedEconomicActivity	563000000	USD
CY2011Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	208000000	USD
CY2010Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	124000000	USD
CY2011Q1	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	73000000	USD
CY2010Q1	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	72000000	USD
CY2011Q1	ppl	Energy Related Businesses EnergyRelatedBusinesses	113000000	USD
CY2010Q1	ppl	Energy Related Businesses EnergyRelatedBusinesses	88000000	USD
CY2011Q1	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	2105000000	USD
CY2010Q1	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	2530000000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	805000000	USD
CY2010Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	476000000	USD
CY2010Q1	us-gaap	Interest Expense InterestExpense	111000000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	625000000	USD
CY2010Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	373000000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	223000000	USD
CY2010Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126000000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	402000000	USD
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	3000000	USD
CY2010Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	8000000	USD
CY2011Q1	us-gaap	Profit Loss ProfitLoss	405000000	USD
CY2010Q1	us-gaap	Profit Loss ProfitLoss	255000000	USD
CY2011Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4000000	USD
CY2010Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5000000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	398000000	USD
CY2010Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	242000000	USD
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	3000000	USD
CY2010Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	8000000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.82
CY2010Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.64
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.82
CY2010Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.64
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2010Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2010Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	484138000	shares
CY2010Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	377717000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	484345000	shares
CY2010Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	377986000	shares
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	401000000	USD
CY2010Q1	us-gaap	Net Income Loss NetIncomeLoss	250000000	USD
CY2011Q1	ppl	Purchased Power And Gas PurchasedPowerAndGas	671000000	USD
CY2010Q1	ppl	Purchased Power And Gas PurchasedPowerAndGas	1009000000	USD
CY2010Q1	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	0	USD
CY2010Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.350
CY2011Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.350
CY2011Q1	us-gaap	Other Cost Of Services OtherCostOfServices	583000000	USD
CY2010Q1	us-gaap	Other Cost Of Services OtherCostOfServices	444000000	USD
CY2011Q1	ppl	Depreciation From Continuing And Discontinued Operations DepreciationFromContinuingAndDiscontinuedOperations	208000000	USD
CY2010Q1	ppl	Depreciation From Continuing And Discontinued Operations DepreciationFromContinuingAndDiscontinuedOperations	128000000	USD
CY2011Q1	ppl	Amortization Of Recoverable Transition Costs AmortizationOfRecoverableTransitionCosts	47000000	USD
CY2010Q1	ppl	Amortization Of Recoverable Transition Costs AmortizationOfRecoverableTransitionCosts	33000000	USD
CY2011Q1	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	39000000	USD
CY2011Q1	us-gaap	Pension Contributions PensionContributions	438000000	USD
CY2010Q1	us-gaap	Pension Contributions PensionContributions	142000000	USD
CY2011Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	204000000	USD
CY2010Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-5000000	USD
CY2011Q1	ppl	Unrealized Gains Losses On Derivatives And Other Hedging Activities UnrealizedGainsLossesOnDerivativesAndOtherHedgingActivities	96000000	USD
CY2010Q1	ppl	Unrealized Gains Losses On Derivatives And Other Hedging Activities UnrealizedGainsLossesOnDerivativesAndOtherHedgingActivities	-107000000	USD
CY2011Q1	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	3000000	USD
CY2010Q1	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	56000000	USD
CY2011Q1	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	7000000	USD
CY2010Q1	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	23000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	57000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-112000000	USD
CY2010Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	178000000	USD
CY2011Q1	ppl	Net Change Unbilled Revenues NetChangeUnbilledRevenues	-199000000	USD
CY2010Q1	ppl	Net Change Unbilled Revenues NetChangeUnbilledRevenues	176000000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-50000000	USD
CY2010Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-61000000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4000000	USD
CY2010Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4000000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	11000000	USD
CY2010Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	21000000	USD
CY2011Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	428000000	USD
CY2010Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	283000000	USD
CY2010Q1	ppl	Proceeds From Sale Of Long Island Generation Business ProceedsFromSaleOfLongIslandGenerationBusiness	124000000	USD
CY2011Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	79000000	USD
CY2010Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	49000000	USD
CY2011Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	75000000	USD
CY2010Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	44000000	USD
CY2011Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	163000000	USD
CY2011Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	7000000	USD
CY2011Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	7000000	USD
CY2010Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	16000000	USD
CY2010Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	130000000	USD
CY2010Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2011Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2010Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	597000000	USD
CY2011Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	16000000	USD
CY2010Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	14000000	USD
CY2011Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	170000000	USD
CY2010Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	131000000	USD
CY2011Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	187000000	USD
CY2010Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-36000000	USD
CY2011Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-20000000	USD
CY2010Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-14000000	USD
CY2011Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	13000000	USD
CY2010Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	5000000	USD
CY2010Q1	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	101000000	USD
CY2011Q1	ppl	Proceeds From Sale Of Long Island Generation Business ProceedsFromSaleOfLongIslandGenerationBusiness	0	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	196000000	USD
CY2010Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	798000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	98000000	USD
CY2010Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-310000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	13000000	USD
CY2010Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	430000000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	320000000	USD
CY2010Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	923000000	USD
CY2010Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1724000000	USD
CY2011Q1	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	85000000	USD
CY2010Q1	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	94000000	USD
CY2011Q1	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-195000000	USD
CY2010Q1	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	351000000	USD
CY2011Q1	ppl	Change In Taxes ChangeInTaxes	10000000	USD
CY2010Q1	ppl	Change In Taxes ChangeInTaxes	80000000	USD
CY2010Q1	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	27000000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	801000000	USD
CY2011Q1	ppl	Proceeds From Sale Of Certain Noncore Generation Facilities ProceedsFromSaleOfCertainNoncoreGenerationFacilities	381000000	USD
CY2010Q1	ppl	Proceeds From Sale Of Certain Noncore Generation Facilities ProceedsFromSaleOfCertainNoncoreGenerationFacilities	0	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1245000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	925000000	USD
CY2011Q1	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2010Q4	us-gaap	Short Term Investments ShortTermInvestments	163000000	USD
CY2011Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	33000000	USD
CY2010Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	28000000	USD
CY2011Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	734000000	USD
CY2010Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	652000000	USD
CY2011Q1	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	68000000	USD
CY2010Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	90000000	USD
CY2011Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	593000000	USD
CY2010Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	789000000	USD
CY2011Q1	us-gaap	Inventory Net InventoryNet	621000000	USD
CY2010Q4	us-gaap	Inventory Net InventoryNet	643000000	USD
CY2011Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	523000000	USD
CY2010Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	435000000	USD
CY2011Q1	us-gaap	Derivative Instruments And Hedges DerivativeInstrumentsAndHedges	1785000000	USD
CY2010Q4	us-gaap	Derivative Instruments And Hedges DerivativeInstrumentsAndHedges	1918000000	USD
CY2011Q1	us-gaap	Intangible Assets Current IntangibleAssetsCurrent	55000000	USD
CY2010Q4	us-gaap	Intangible Assets Current IntangibleAssetsCurrent	70000000	USD
CY2011Q1	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2010Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	374000000	USD
CY2011Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	35000000	USD
CY2010Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	85000000	USD
CY2011Q1	us-gaap	Other Assets Current OtherAssetsCurrent	55000000	USD
CY2010Q4	us-gaap	Other Assets Current OtherAssetsCurrent	16000000	USD
CY2011Q1	us-gaap	Assets Current AssetsCurrent	5747000000	USD
CY2010Q4	us-gaap	Assets Current AssetsCurrent	6188000000	USD
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CY2011Q1	ppl	Property Plant And Equipment Nuclear Fuel PropertyPlantAndEquipmentNuclearFuel	595000000	USD
CY2011Q1	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	488000000	USD
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CY2011Q1	ppl	Property Plant And Equipment Net Nonregulated PropertyPlantAndEquipmentNetNonregulated	5721000000	USD
CY2011Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21182000000	USD
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CY2010Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	403000000	USD
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CY2010Q4	ppl	Property Plant And Equipment Net Nonregulated PropertyPlantAndEquipmentNetNonregulated	5706000000	USD
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CY2011Q1	us-gaap	Goodwill Goodwill	1792000000	USD
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CY2011Q1	us-gaap	Assets Noncurrent AssetsNoncurrent	5092000000	USD
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CY2010Q4	us-gaap	Goodwill Goodwill	1761000000	USD
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CY2010Q4	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	655000000	USD
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CY2010Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	5098000000	USD
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CY2010Q4	ppl	Property Plant And Equipment Generation Or Processing PropertyPlantAndEquipmentGenerationOrProcessing	10165000000	USD
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CY2011Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	140000000	USD
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CY2011Q1	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	25000000	USD
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CY2011Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	219000000	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	131000000	USD
CY2011Q1	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	-6000000	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	2000000	USD
CY2011Q1	us-gaap	Income Tax Reconciliation Tax Contingencies Domestic IncomeTaxReconciliationTaxContingenciesDomestic	-1000000	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Tax Contingencies Domestic IncomeTaxReconciliationTaxContingenciesDomestic	-8000000	USD
CY2011Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2010Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2011Q1	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	4000000	USD
CY2011Q1	ppl	Income Tax Reconciliation Deductions Medicare Prescription Drug Benefit Subsidy Revised IncomeTaxReconciliationDeductionsMedicarePrescriptionDrugBenefitSubsidyRevised	0	USD
CY2010Q1	ppl	Income Tax Reconciliation Deductions Medicare Prescription Drug Benefit Subsidy Revised IncomeTaxReconciliationDeductionsMedicarePrescriptionDrugBenefitSubsidyRevised	8000000	USD
CY2011Q1	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	5000000	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2000000	USD
CY2011Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-5000000	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2000000	USD
CY2011Q1	ppl	Total Increase Decrease To Federal Income Tax On Income From Continuing Operations At Statuatory Tax Rate TotalIncreaseDecreaseToFederalIncomeTaxOnIncomeFromContinuingOperationsAtStatuatoryTaxRate	4000000	USD
CY2010Q1	ppl	Total Increase Decrease To Federal Income Tax On Income From Continuing Operations At Statuatory Tax Rate TotalIncreaseDecreaseToFederalIncomeTaxOnIncomeFromContinuingOperationsAtStatuatoryTaxRate	-5000000	USD
CY2011Q1	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	3000000	USD
CY2010Q1	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1000000	USD
CY2011Q1	ppl	Depreciation Not Normalized DepreciationNotNormalized	-4000000	USD
CY2010Q1	ppl	Depreciation Not Normalized DepreciationNotNormalized	0	USD
CY2011Q1	ppl	Bonus Depreciation Rate BonusDepreciationRate	1.00	USD
CY2011Q1	ppl	Income Tax Reconciliation State Clarification Of Treatment Bonus Depreciation IncomeTaxReconciliationStateClarificationOfTreatmentBonusDepreciation	11000000	USD
CY2011Q1	ppl	Income Tax Reconciliation Impact Of Foreign Subsidiary Certain Pension Contributions IncomeTaxReconciliationImpactOfForeignSubsidiaryCertainPensionContributions	7000000	USD
CY2010Q1	ppl	Income Tax Reconciliation Impact Of Foreign Earnings IncomeTaxReconciliationImpactOfForeignEarnings	6000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	251000000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	212000000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	-6000000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	-1000000	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-1000000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	-2000000	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	-2000000	USD
CY2011Q1	ppl	Effects Of Foreign Currency Translation Unrecognized Tax Benefits EffectsOfForeignCurrencyTranslationUnrecognizedTaxBenefits	3000000	USD
CY2010Q1	ppl	Effects Of Foreign Currency Translation Unrecognized Tax Benefits EffectsOfForeignCurrencyTranslationUnrecognizedTaxBenefits	-4000000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	251000000	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	201000000	USD
CY2011Q1	ppl	Total Amount Unrecognized Tax Benefits May Increase In Next Year TotalAmountUnrecognizedTaxBenefitsMayIncreaseInNextYear	26000000	USD
CY2011Q1	ppl	Total Amount Unrecognized Tax Benefits May Decrease In Next Year TotalAmountUnrecognizedTaxBenefitsMayDecreaseInNextYear	229000000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	181000000	USD
CY2010Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	109000000	USD
CY2011Q1	us-gaap	Dividends Payable Date Declared Month And Year DividendsPayableDateDeclaredMonthAndYear	2011-02
CY2011Q2	us-gaap	Dividends Payable Date To Be Paid Day Month And Year DividendsPayableDateToBePaidDayMonthAndYear	2011-04-01
CY2011Q1	ppl	Common Stock Dividends Per Share Declared As Per Annum Equivalent CommonStockDividendsPerShareDeclaredAsPerAnnumEquivalent	1.40
CY2011Q2	ppl	Shares Issued Under Specific Equity Offering SharesIssuedUnderSpecificEquityOffering	92000000	shares
CY2011Q2	ppl	Price Per Share Under Specific Equity Offering PricePerShareUnderSpecificEquityOffering	25.30
CY2011Q2	ppl	Increase In Equity Due To Specific Equity Offering IncreaseInEquityDueToSpecificEquityOffering	2328000000	USD
CY2011Q2	ppl	Proceeds From Specific Equity Offering ProceedsFromSpecificEquityOffering	2258000000	USD
CY2011Q2	ppl	Underwriting Discount Incurred With Specific Equity Offering UnderwritingDiscountIncurredWithSpecificEquityOffering	70000000	USD
CY2010Q1	ppl	Health Care Reform Deferred Tax Assets HealthCareReformDeferredTaxAssets	13000000	USD
CY2010Q1	ppl	Health Care Reform Regulatory Assets HealthCareReformRegulatoryAssets	9000000	USD
CY2010Q1	ppl	Health Care Reform Deferred Tax Liabilities HealthCareReformDeferredTaxLiabilities	4000000	USD
CY2010Q1	ppl	Loss Contingency Loss In Period Net Of Tax LossContingencyLossInPeriodNetOfTax	34000000	USD
CY2010Q1	ppl	Loss Contingency Loss In Period Loss Per Share LossContingencyLossInPeriodLossPerShare	0.08
CY2010Q1	ppl	Loss Contingency Loss In Period Related To Prior Periods LossContingencyLossInPeriodRelatedToPriorPeriods	54000000	USD
CY2010Q1	ppl	Loss Contingency Loss In Period Related To Prior Periods Net Of Tax LossContingencyLossInPeriodRelatedToPriorPeriodsNetOfTax	32000000	USD
CY2010Q1	ppl	Loss Contingency Loss In Period Recorded In Operating Expenses LossContingencyLossInPeriodRecordedInOperatingExpenses	49000000	USD
CY2010Q1	ppl	Loss Contingency Loss In Period Recorded In Interest Expense LossContingencyLossInPeriodRecordedInInterestExpense	7000000	USD
CY2011Q1	ppl	Percentage Of Reduced Electricity Consumption Required By Act129 By2011 PercentageOfReducedElectricityConsumptionRequiredByAct129By2011	0.0100	pure
CY2011Q1	ppl	Percentage Of Reduced Electricity Consumption Required By Act129 By2013 PercentageOfReducedElectricityConsumptionRequiredByAct129By2013	0.0300	pure
CY2011Q1	ppl	Proposed Cost Recovery Cap Over Year2006 Revenue ProposedCostRecoveryCapOverYear2006Revenue	0.0200	pure
CY2011Q1	ppl	Maximum Depreciable Life For New Smart Meter Technology In New Construction MaximumDepreciableLifeForNewSmartMeterTechnologyInNewConstruction	15	pure
CY2011Q1	ppl	Projected Numbers Of Years To Conduct Study On Smart Meters ProjectedNumbersOfYearsToConductStudyOnSmartMeters	5	pure
CY2011Q1	ppl	Maximum Percentage Of Long Term Contracts For Electric Generation Supply Service MaximumPercentageOfLongTermContractsForElectricGenerationSupplyService	0.2500	pure
CY2011Q1	ppl	Minimum Duration Of Long Term Procurement Contracts MinimumDurationOfLongTermProcurementContracts	4	pure
CY2011Q1	ppl	Maximum Duration Of Long Term Procurement Contracts MaximumDurationOfLongTermProcurementContracts	20	pure
CY2011Q1	us-gaap	Sales Revenue From Energy Commodities And Services SalesRevenueFromEnergyCommoditiesAndServices	18000000	USD
CY2011Q1	ppl	Amount Of California Iso Sales Unpaid End Of Period AmountOfCaliforniaIsoSalesUnpaidEndOfPeriod	17000000	USD
CY2011Q1	ppl	Initial Time Period Required To Respond To Info Request InitialTimePeriodRequiredToRespondToInfoRequest	3	pure
CY2011Q1	ppl	Subsequent Frequency Required To Respond To Info Request SubsequentFrequencyRequiredToRespondToInfoRequest	3	pure
CY2011Q1	ppl	Projected Amount To Comply With Overhead Clearance Standard ProjectedAmountToComplyWithOverheadClearanceStandard	92000000	USD
CY2011Q1	ppl	Period Of Time Costs For Overhead Clearance To Be Recovered Through Rates PeriodOfTimeCostsForOverheadClearanceToBeRecoveredThroughRates	5	pure
CY2011Q1	ppl	Duration Of Program Of Compliance With Uk Government Requirements DurationOfProgramOfComplianceWithUkGovernmentRequirements	25	pure
CY2011Q1	ppl	Projected Amount To Comply With Risk Based Program Regulation ProjectedAmountToComplyWithRiskBasedProgramRegulation	106000000	USD
CY2011Q1	ppl	Minimum Level Of Carbon Dioxide Emissions That Qualify For Major Source MinimumLevelOfCarbonDioxideEmissionsThatQualifyForMajorSource	100000	Tons
CY2011Q1	ppl	Minimum Level Of Carbon Dioxide Emissions Increase That Qualify As Major Modification MinimumLevelOfCarbonDioxideEmissionsIncreaseThatQualifyAsMajorModification	75000	Tons
CY2011Q1	ppl	Low Voltage Overhead Electricity Network Clearance LowVoltageOverheadElectricityNetworkClearance	3	pure
CY2011Q1	ppl	Percentage Reduction Carbon Dioxide From Base By2019 Per Regional Greenhouse Gas Initiative PercentageReductionCarbonDioxideFromBaseBy2019PerRegionalGreenhouseGasInitiative	0.100	pure
CY2011Q1	ppl	Percentage Reduction Greenhouse Gas By2020 Per Pennsylvania Advisory Climate Change Action Report PercentageReductionGreenhouseGasBy2020PerPennsylvaniaAdvisoryClimateChangeActionReport	0.300	pure
CY2011Q1	ppl	Proposed Mandatory Percentage Of Efficiency Improvements Power Per Plants Pennsylvania Advisory Climate Change Action Report ProposedMandatoryPercentageOfEfficiencyImprovementsPowerPerPlantsPennsylvaniaAdvisoryClimateChangeActionReport	0.0500	pure
CY2011Q1	ppl	Percentage Reduction Carbon Dioxide By2020 Below2005 Level Per Western Climate Initiative PercentageReductionCarbonDioxideBy2020Below2005LevelPerWesternClimateInitiative	0.1500	pure
CY2011Q1	ppl	Number Of Western States Covered By Western Climate Initiative NumberOfWesternStatesCoveredByWesternClimateInitiative	11	pure
CY2011Q1	ppl	Amount Of Gallons Of Pollutants Released Into Environment At Facility AmountOfGallonsOfPollutantsReleasedIntoEnvironmentAtFacility	100	Gallons
CY2011Q1	ppl	Megawatt Capacity Of Units At Facility Where Environmental Issue Occurred MegawattCapacityOfUnitsAtFacilityWhereEnvironmentalIssueOccurred	150	MW
CY2011Q1	ppl	Environmental Remediation Costs Paid EnvironmentalRemediationCostsPaid	28000000	USD
CY2011Q1	ppl	Period End Number Of Plaintiffs In Secondary Environmental Litigation PeriodEndNumberOfPlaintiffsInSecondaryEnvironmentalLitigation	6	pure
CY2011Q1	ppl	Environmental Remediation Estimate Of Budgeted Costs Debris Barrier EnvironmentalRemediationEstimateOfBudgetedCostsDebrisBarrier	4000000	USD
CY2011Q1	ppl	Number Of Subsidiaries Pumping Mine Water NumberOfSubsidiariesPumpingMineWater	1	pure
CY2011Q1	ppl	Number Of Mine Sites Being Pumped And Treated NumberOfMineSitesBeingPumpedAndTreated	2	pure
CY2011Q1	ppl	Number Of Mine Sites Being Treated NumberOfMineSitesBeingTreated	1	pure
CY2011Q1	us-gaap	Site Contingency Accrual Present Value SiteContingencyAccrualPresentValue	26000000	USD
CY2011Q1	ppl	Period Of Time To Pump And Treat Ground Water At Two Mine Sites PeriodOfTimeToPumpAndTreatGroundWaterAtTwoMineSites	50	pure
CY2011Q1	us-gaap	Accrual For Environmental Loss Contingencies Discount Rate AccrualForEnvironmentalLossContingenciesDiscountRate	0.0816	pure
CY2011Q1	ppl	Kilovoltt Capacity Overhead Line Proposed Phase Out KilovolttCapacityOverheadLineProposedPhaseOut	132	Kilovolts
CY2011Q1	ppl	Projected Amount To Implement Flood Prevention Measures ProjectedAmountToImplementFloodPreventionMeasures	28000000	USD
CY2011Q1	ppl	Number Of Years Flood Prevention Costs To Be Recovered Through Rates NumberOfYearsFloodPreventionCostsToBeRecoveredThroughRates	5	pure
CY2011Q1	ppl	Maximum Amount Of Insured Property Damages Losses Coverage Nuclear Plant MaximumAmountOfInsuredPropertyDamagesLossesCoverageNuclearPlant	2750000000	USD
CY2011Q1	ppl	Maximum Assessment Retroactive Premiums Insured Outage Loss Coverage MaximumAssessmentRetroactivePremiumsInsuredOutageLossCoverage	40000000	USD
CY2011Q1	ppl	Maximum Amount For Public Liability Claims For Nuclear Incident MaximumAmountForPublicLiabilityClaimsForNuclearIncident	12600000000	USD
CY2011Q1	ppl	Maximum Amount Assessed For Nuclear Incident MaximumAmountAssessedForNuclearIncident	235000000	USD
CY2011Q1	ppl	Maximum Amount Payable Per Year Assessed For Nuclear Incident MaximumAmountPayablePerYearAssessedForNuclearIncident	35000000	USD
CY2011Q1	ppl	Proportionate Share Of Ohio Valley Electric Corporation Outstanding Debt ProportionateShareOfOhioValleyElectricCorporationOutstandingDebt	111000000	USD
CY2011Q2	ppl	Total Number Of Competitive Solicitations To Be Held For Provider Of Last Resort Supply Post2010 TotalNumberOfCompetitiveSolicitationsToBeHeldForProviderOfLastResortSupplyPost2010	14	pure
CY2011Q2	ppl	Number Of Competitive Solicitations Completed For Provider Of Last Resort Supply Post2010 NumberOfCompetitiveSolicitationsCompletedForProviderOfLastResortSupplyPost2010	7	pure
CY2011Q1	ppl	Through20002006 Compensation Awarded For Lease Payment Under Hydro Electric Litigation For Riverbed Use Through20002006CompensationAwardedForLeasePaymentUnderHydroElectricLitigationForRiverbedUse	35000000	USD
CY2011Q1	ppl	Compensation In2007 Awarded For Lease Payment Under Hydro Electric Litigation For Riverbed Use CompensationIn2007AwardedForLeasePaymentUnderHydroElectricLitigationForRiverbedUse	6000000	USD
CY2011Q1	ppl	Loss Contingency Accrual For Steam Bed Litigation LossContingencyAccrualForSteamBedLitigation	78000000	USD
CY2011Q1	ppl	Number Of Alternatives Provided To Department Of Environmental Protection To Address Fish Kill Issues NumberOfAlternativesProvidedToDepartmentOfEnvironmentalProtectionToAddressFishKillIssues	3	pure
CY2011Q1	ppl	Number Complaints Filed With Federal Energy Regulatory Commission Midwest Independent System Operator Against Pjm NumberComplaintsFiledWithFederalEnergyRegulatoryCommissionMidwestIndependentSystemOperatorAgainstPjm	2	pure
CY2011Q1	ppl	Loss Contingency Asserted Damages Sought Midwest Independent System Operator Against Pjm LossContingencyAssertedDamagesSoughtMidwestIndependentSystemOperatorAgainstPjm	130000000	USD
CY2011Q1	ppl	Loss Contingency Asserted Damages Sought Pjm Against Midwest Independent System Operator LossContingencyAssertedDamagesSoughtPjmAgainstMidwestIndependentSystemOperator	25000000	USD
CY2011Q1	ppl	Minimum Number Of Months After Enactment To Be Effective MinimumNumberOfMonthsAfterEnactmentToBeEffective	12	pure
CY2011Q1	ppl	Number Of Pennsylvania Public Utility Commission Approved Programs Under Energy Efficiency And Conservation Plan NumberOfPennsylvaniaPublicUtilityCommissionApprovedProgramsUnderEnergyEfficiencyAndConservationPlan	14	pure
CY2011Q1	ppl	Number Of Components Of Plan Requested To Modify NumberOfComponentsOfPlanRequestedToModify	2	pure
CY2011Q1	ppl	Estimated Cost Of Study On Expanded Use Of Smart Meter EstimatedCostOfStudyOnExpandedUseOfSmartMeter	38000000	USD
CY2011Q1	ppl	Tax Legislation Depreciable Life Street Lighting Assets TaxLegislationDepreciableLifeStreetLightingAssets	7	pure
CY2011Q1	ppl	Tax Legislation Depreciable Life Street Lighting Assets Argued By Internal Revenue Service TaxLegislationDepreciableLifeStreetLightingAssetsArguedByInternalRevenueService	20	pure
CY2011Q1	ppl	Maximum Per Day Penalty Federal Energy Regulatory Commission May Assess Under Reliability Standards MaximumPerDayPenaltyFederalEnergyRegulatoryCommissionMayAssessUnderReliabilityStandards	1000000	USD
CY2011Q1	ppl	Period Costs Riskbased Program To Be Recovered Through Rates PeriodCostsRiskbasedProgramToBeRecoveredThroughRates	5	pure
CY2011Q1	ppl	Minimum Number Plants Where Other Compliance Options Are Being Evaluated MinimumNumberPlantsWhereOtherComplianceOptionsAreBeingEvaluated	1	pure
CY2011Q1	ppl	Sulfur Dioxide Emissions Standard SulfurDioxideEmissionsStandard	1	pure
CY2011Q1	ppl	Statutory Period After Order For Compliance With Maximum Achievable Control Technology Standards StatutoryPeriodAfterOrderForComplianceWithMaximumAchievableControlTechnologyStandards	3	pure
CY2011Q1	ppl	Number Of States Signing Memorandum Of Understanding Establishing Regional Greenhouse Gas Initiative NumberOfStatesSigningMemorandumOfUnderstandingEstablishingRegionalGreenhouseGasInitiative	10	pure
CY2011Q1	ppl	Threshold Capacity Of Electric Power Plants Under Memorandum Of Understanding Establishing Regional Greenhouse Gas Initiative ThresholdCapacityOfElectricPowerPlantsUnderMemorandumOfUnderstandingEstablishingRegionalGreenhouseGasInitiative	25	MW
CY2011Q1	ppl	Number Of Electric Utility Companies That Could Be Sued Under Federal Common Law NumberOfElectricUtilityCompaniesThatCouldBeSuedUnderFederalCommonLaw	5	pure
CY2010	ppl	Carbon Dioxide Emitted Power Plants During Reporting Period CarbonDioxideEmittedPowerPlantsDuringReportingPeriod	37	pure
CY2010	ppl	Carbon Dioxide Emitted From Entity Power Plant During Reporting Period CarbonDioxideEmittedFromEntityPowerPlantDuringReportingPeriod	6	pure
CY2009	ppl	Carbon Dioxide Emitted Power Plants During Reporting Period CarbonDioxideEmittedPowerPlantsDuringReportingPeriod	29	pure
CY2011Q1	ppl	Number Of Approaches Proposed By Epa To Regulate Ccr June2010 NumberOfApproachesProposedByEpaToRegulateCcrJune2010	2	pure
CY2011Q1	ppl	Number Of Non Affiliated Plants Receiving Information Request From Environmental Protection Agency NumberOfNonAffiliatedPlantsReceivingInformationRequestFromEnvironmentalProtectionAgency	18	pure
CY2011Q1	ppl	Number Of Units At Facility Where Environmental Issue Occurred NumberOfUnitsAtFacilityWhereEnvironmentalIssueOccurred	2	pure
CY2011Q1	ppl	Environmental Protection Agency Standard Drinking Water Related To Arsenic EnvironmentalProtectionAgencyStandardDrinkingWaterRelatedToArsenic	10	pure
CY2011Q1	ppl	Environmental Protection Agency Proposed Standard For Arsenic Particles In Drinking Water EnvironmentalProtectionAgencyProposedStandardForArsenicParticlesInDrinkingWater	0.1	pure
CY2011Q1	ppl	Accrual For Environmental Loss Contingencies Undiscounted Expected Payments Year One AccrualForEnvironmentalLossContingenciesUndiscountedExpectedPaymentsYearOne	2000000	USD
CY2011Q1	ppl	Accrual For Environmental Loss Contingencies Undiscounted Expected Payments Each Of Year Two Through Four AccrualForEnvironmentalLossContingenciesUndiscountedExpectedPaymentsEachOfYearTwoThroughFour	1000000	USD
CY2011Q1	ppl	Accrual For Environmental Loss Contingencies Undiscounted Expected Payments Year Five AccrualForEnvironmentalLossContingenciesUndiscountedExpectedPaymentsYearFive	2000000	USD
CY2011Q1	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due After Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear	137000000	USD
CY2011Q1	ppl	Number Of Reports Issued By United Kingdom Stakeholder Group On Electric Magnetic Fields NumberOfReportsIssuedByUnitedKingdomStakeholderGroupOnElectricMagneticFields	2	pure
CY2011Q1	ppl	California Independent System Operator Portion Of Sales Recoverable CaliforniaIndependentSystemOperatorPortionOfSalesRecoverable	2000000	USD
CY2011Q1	ppl	Period Of Projected Expenditures PeriodOfProjectedExpenditures	5	pure
CY2011Q1	ppl	Projected Capital Expenditure Cost For Subsidiary ProjectedCapitalExpenditureCostForSubsidiary	2300000000	USD
CY2011Q1	ppl	Projected Capital Expenditure Cost For Seperate Subsidiary ProjectedCapitalExpenditureCostForSeperateSubsidiary	400000000	USD
CY2011Q1	ppl	Environmental Protection Agency Estimated Increase In Risk Of Cancer Caused By Arsenic Exposure EnvironmentalProtectionAgencyEstimatedIncreaseInRiskOfCancerCausedByArsenicExposure	20 times
CY2011Q1	ppl	Environmental Protection Number Of Factors To Make Site Specific Determination EnvironmentalProtectionNumberOfFactorsToMakeSiteSpecificDetermination	9	pure
CY2011Q2	ppl	Regulatory Matters Virginia Activities Dollar Increase Decrease Electric Base Rate RegulatoryMattersVirginiaActivitiesDollarIncreaseDecreaseElectricBaseRate	9000000	USD
CY2011Q2	ppl	Regulatory Matters Virginia Activities Percent Increase Decrease Electric Base Rate RegulatoryMattersVirginiaActivitiesPercentIncreaseDecreaseElectricBaseRate	0.14	pure
CY2011Q2	ppl	Regulatory Matters Virginia Activities Return On Equity Percent Increase Decrease Electric Base Rate RegulatoryMattersVirginiaActivitiesReturnOnEquityPercentIncreaseDecreaseElectricBaseRate	0.11	pure
CY2010Q1	ppl	Hydro Loss Contingency Loss In Period Pre Tax HydroLossContingencyLossInPeriodPreTax	56000000	USD
CY2011Q1	ppl	Proposed Renewable Energy Supply Energy Efficiency Requirement Stated Percentage Rate Range Minimum ProposedRenewableEnergySupplyEnergyEfficiencyRequirementStatedPercentageRateRangeMinimum	0.1500	pure
CY2011Q1	ppl	Proposed Renewable Energy Supply Energy Efficiency Requirement Stated Percentage Rate Range Maximum ProposedRenewableEnergySupplyEnergyEfficiencyRequirementStatedPercentageRateRangeMaximum	0.200	pure
CY2011Q1	ppl	Competitive Solicitations To Be Held For Provider Of Last Resort Supply Post2010 Shortest Term Purchase CompetitiveSolicitationsToBeHeldForProviderOfLastResortSupplyPost2010ShortestTermPurchase	5	pure
CY2011Q1	ppl	Competitive Solicitations To Be Held For Provider Of Last Resort Supply Post2010 Longest Term Purchase CompetitiveSolicitationsToBeHeldForProviderOfLastResortSupplyPost2010LongestTermPurchase	10	pure
CY2011Q1	ppl	Loss Contingency Interest Accrual Rate LossContingencyInterestAccrualRate	0.10	pure
CY2011Q1	ppl	Number Of Law Judges Assigned To Review Proposal NumberOfLawJudgesAssignedToReviewProposal	2	pure
CY2011Q1	ppl	Statutory Period After Order For Extension With Maximum Achievable Control Technology Standards StatutoryPeriodAfterOrderForExtensionWithMaximumAchievableControlTechnologyStandards	1	pure
CY2011Q2	ppl	Environmental Protection Rule On Impact Of Cooling Towers On Aquatic Organisms EnvironmentalProtectionRuleOnImpactOfCoolingTowersOnAquaticOrganisms	2	pure
CY2011Q2	ppl	Number Phases Investigation Retail Electricity Market NumberPhasesInvestigationRetailElectricityMarket	2	pure
CY2011Q1	ppl	Regulatory Issues Kentucky Integrated Resource Planning Capacity Decline Assumption RegulatoryIssuesKentuckyIntegratedResourcePlanningCapacityDeclineAssumption	800	MW
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Energy Commodities FairValueAssetsMeasuredOnRecurringBasisEnergyCommodities	2503000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Interest Rate Swaps FairValueAssetsMeasuredOnRecurringBasisInterestRateSwaps	10000000	USD
CY2011Q1	ppl	Regulatory Issues Kentucky Integrated Resource Planning Peak Demand Decline Assumption RegulatoryIssuesKentuckyIntegratedResourcePlanningPeakDemandDeclineAssumption	500	MW
CY2011Q2	ppl	Regulatory Matters Virginia Activities Return On Base Rate Percent Increase Decrease Electric Base Rate RegulatoryMattersVirginiaActivitiesReturnOnBaseRatePercentIncreaseDecreaseElectricBaseRate	0.08	pure
CY2011Q1	ppl	Number Of Energy Trading Counterparties That Have Been Aggregated NumberOfEnergyTradingCounterpartiesThatHaveBeenAggregated	10	pure
CY2011Q1	ppl	Dollar Exposure To Top Ten Counterparties DollarExposureToTopTenCounterparties	454000000	USD
CY2011Q1	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	15000000	USD
CY2010Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	14000000	USD
CY2011Q1	ppl	Deductible For Bodily Injury And Property Damage DeductibleForBodilyInjuryAndPropertyDamage	4000000	USD
CY2011Q1	ppl	Maximum Aggregate Coverage Bodily Injury And Property Damage MaximumAggregateCoverageBodilyInjuryAndPropertyDamage	200000000	USD
CY2011Q1	ppl	Percentage Exposure To Top Ten Counterparties PercentageExposureToTopTenCounterparties	0.62	pure
CY2011Q1	ppl	Percent Of Wilshire Index Invested In Large Cap Stocks PercentOfWilshireIndexInvestedInLargeCapStocks	0.70	pure
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Interest Rate Swaps FairValueAssetsMeasuredOnRecurringBasisInterestRateSwaps	15000000	USD
CY2011Q1	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	6000000	USD
CY2011Q1	ppl	Percentage Exposure To Single Counterparty PercentageExposureToSingleCounterparty	0.13	pure
CY2011Q1	ppl	Percentage Exposure To Next Highest Counterparty PercentageExposureToNextHighestCounterparty	0.11	pure
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Energy Commodities FairValueAssetsMeasuredOnRecurringBasisEnergyCommodities	2360000000	USD
CY2011Q1	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	21000000	USD
CY2010Q1	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	9000000	USD
CY2011Q1	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	26000000	USD
CY2010Q1	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	1000000	USD
CY2011Q1	ppl	Concentration Risk Credit Risk Fin Instrument Maximum Exposure ConcentrationRiskCreditRiskFinInstrumentMaximumExposure	2500000000	USD
CY2011Q1	ppl	Fair Value Concentration Of Credit Risk After Master Netting Collateral Arrangements FairValueConcentrationOfCreditRiskAfterMasterNettingCollateralArrangements	730000000	USD
CY2011Q1	ppl	Percent Of Wilshire Index Invested In Mid Small Cap Stocks PercentOfWilshireIndexInvestedInMidSmallCapStocks	0.30	pure
CY2011Q1	ppl	Weighted Average Coupon Of Ndt Funds Debt Securities WeightedAverageCouponOfNdtFundsDebtSecurities	0.0457	pure
CY2011Q1	ppl	Weighted Average Of Contractual Maturities Debt Securities Ndt Funds WeightedAverageOfContractualMaturitiesDebtSecuritiesNdtFunds	5	pure
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Restricted Cash And Cash Equivalents FairValueAssetsMeasuredOnRecurringBasisRestrictedCashAndCashEquivalents	73000000	USD
CY2010Q4	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	11000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Cross Currency Swaps FairValueAssetsMeasuredOnRecurringBasisCrossCurrencySwaps	9000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Cross Currency Swaps FairValueAssetsMeasuredOnRecurringBasisCrossCurrencySwaps	44000000	USD
CY2011Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets	2385000000	USD
CY2010Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets	2573000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Investments Auction Rate Securities FairValueAssetsMeasuredOnRecurringBasisInvestmentsAuctionRateSecurities	25000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Investments Auction Rate Securities FairValueAssetsMeasuredOnRecurringBasisInvestmentsAuctionRateSecurities	25000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Total FairValueAssetsMeasuredOnRecurringBasisTotal	4372000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Total FairValueAssetsMeasuredOnRecurringBasisTotal	4370000000	USD
CY2011Q1	ppl	Fair Value Liabilities Measured On Recurring Basis Energy Commodities FairValueLiabilitiesMeasuredOnRecurringBasisEnergyCommodities	1356000000	USD
CY2011Q1	ppl	Fair Value Liabilities Measured On Recurring Basis Interest Rate Swaps FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateSwaps	40000000	USD
CY2010Q4	ppl	Fair Value Liabilities Measured On Recurring Basis Interest Rate Swaps FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateSwaps	53000000	USD
CY2011Q1	ppl	Fair Value Liabilities Measured On Recurring Basis Cross Currency Swaps FairValueLiabilitiesMeasuredOnRecurringBasisCrossCurrencySwaps	0	USD
CY2010Q4	ppl	Fair Value Liabilities Measured On Recurring Basis Cross Currency Swaps FairValueLiabilitiesMeasuredOnRecurringBasisCrossCurrencySwaps	9000000	USD
CY2010Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityGainLossIncludedInOtherComprehensiveIncome	3000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilityPurchases	2000000	USD
CY2010Q4	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValue	22000000	USD
CY2009Q4	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValue	132000000	USD
CY2011Q1	us-gaap	Fair Value Liabilities Measured On Recurring Basis Derivative Financial Instruments Liabilities FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities	1407000000	USD
CY2010Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Derivative Financial Instruments Liabilities FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities	1614000000	USD
CY2011Q1	us-gaap	Foreign Currency Contracts Liability Fair Value Disclosure ForeignCurrencyContractsLiabilityFairValueDisclosure	11000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Large Cap Equity Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsLargeCapEquitySecurities	300000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Large Cap Equity Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsLargeCapEquitySecurities	303000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Mid Small Cap Equity Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsMidSmallCapEquitySecurities	122000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Mid Small Cap Equity Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsMidSmallCapEquitySecurities	119000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Treasury Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsTreasuryDebtSecurities	77000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Treasury Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsTreasuryDebtSecurities	75000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Government Agency Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsGovernmentAgencyDebtSecurities	10000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Us Government Agency Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsUsGovernmentAgencyDebtSecurities	7000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Municipality Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsMunicipalityDebtSecurities	79000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Municipality Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsMunicipalityDebtSecurities	69000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investment Grade Corporate Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentGradeCorporateDebtSecurities	37000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investment Grade Corporate Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentGradeCorporateDebtSecurities	33000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Other Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsOtherDebtSecurities	2000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Other Debt Securities FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsOtherDebtSecurities	1000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Receivables Payables Net FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsReceivablesPayablesNet	1000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Investments Receivables Payables Net FairValueAssetsMeasuredOnRecurringBasisNdtFundsInvestmentsReceivablesPayablesNet	1000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Cash And Cash Equivalents FairValueAssetsMeasuredOnRecurringBasisNdtFundsCashAndCashEquivalents	10000000	USD
CY2010Q4	ppl	Fair Value Assets Measured On Recurring Basis Restricted Cash And Cash Equivalents FairValueAssetsMeasuredOnRecurringBasisRestrictedCashAndCashEquivalents	66000000	USD
CY2010Q4	ppl	Fair Value Liabilities Measured On Recurring Basis Energy Commodities FairValueLiabilitiesMeasuredOnRecurringBasisEnergyCommodities	1552000000	USD
CY2011Q1	ppl	Fair Value Assets Measured On Recurring Basis Ndt Funds Cash And Cash Equivalents FairValueAssetsMeasuredOnRecurringBasisNdtFundsCashAndCashEquivalents	16000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValue	57000000	USD
CY2010Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValue	76000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityGainLossIncludedInEarnings	1000000	USD
CY2010Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityGainLossIncludedInEarnings	-61000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityGainLossIncludedInOtherComprehensiveIncome	1000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilitySales	-3000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilityIssues	0	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilitySettlements	22000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Transfers In FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityTransfersIn	0	USD
CY2010Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Transfers In FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityTransfersIn	-2000000	USD
CY2011Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Transfers Out FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityTransfersOut	12000000	USD
CY2010Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Transfers Out FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityTransfersOut	-1000000	USD
CY2010Q1	ppl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityPurchasesSalesIssuancesSettlements	5000000	USD
CY2011Q1	ppl	Weighted Average Of Contractual Maturities Auction Rate Securities WeightedAverageOfContractualMaturitiesAuctionRateSecurities	25	pure
CY2011Q1	ppl	Net Asset Liability Of Npns NetAssetLiabilityOfNpns	205000000	USD
CY2010Q4	ppl	Net Asset Liability Of Npns NetAssetLiabilityOfNpns	229000000	USD
CY2011Q1	ppl	Accumulated Other Comprehensive Income Loss Excluding Net Investment Hedges Net Of Tax AccumulatedOtherComprehensiveIncomeLossExcludingNetInvestmentHedgesNetOfTax	663000000	USD
CY2010Q4	ppl	Accumulated Other Comprehensive Income Loss Excluding Net Investment Hedges Net Of Tax AccumulatedOtherComprehensiveIncomeLossExcludingNetInvestmentHedgesNetOfTax	695000000	USD
CY2010Q1	ppl	Accumulated Other Comprehensive Income Loss Excluding Net Investment Hedges Net Of Tax AccumulatedOtherComprehensiveIncomeLossExcludingNetInvestmentHedgesNetOfTax	919000000	USD
CY2009Q4	ppl	Accumulated Other Comprehensive Income Loss Excluding Net Investment Hedges Net Of Tax AccumulatedOtherComprehensiveIncomeLossExcludingNetInvestmentHedgesNetOfTax	602000000	USD
CY2011Q1	ppl	Cash Collateral Obligation Under Master Netting Arrangement CashCollateralObligationUnderMasterNettingArrangement	142000000	USD
CY2010Q4	ppl	Cash Collateral Obligation Under Master Netting Arrangement CashCollateralObligationUnderMasterNettingArrangement	338000000	USD
CY2011Q1	us-gaap	Maximum Length Of Time Hedged In Price Risk Cash Flow Hedge MaximumLengthOfTimeHedgedInPriceRiskCashFlowHedge	2015
CY2011Q1	us-gaap	Price Risk Cash Flow Hedge Unrealized Gain Loss To Be Reclassified During Next12 Months PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months	317000000	USD
CY2011Q1	ppl	Price Risk Cash Flow Hedge Gain Loss Reclassified To Earnings Net Text PriceRiskCashFlowHedgeGainLossReclassifiedToEarningsNetText	insignificant
CY2011Q1	us-gaap	Gain Loss On Price Risk Cash Flow Hedge Ineffectiveness GainLossOnPriceRiskCashFlowHedgeIneffectiveness	-4000000	USD
CY2010Q1	us-gaap	Gain Loss On Price Risk Cash Flow Hedge Ineffectiveness GainLossOnPriceRiskCashFlowHedgeIneffectiveness	6000000	USD
CY2010Q1	ppl	After Tax Gain Loss Recognized Risk Cash Flow Hedge Prior Effectiveness Failures AfterTaxGainLossRecognizedRiskCashFlowHedgePriorEffectivenessFailures	-82000000	USD
CY2011Q1	ppl	Maximum Maturity Date Of Economic Activity Instruments MaximumMaturityDateOfEconomicActivityInstruments	2017
CY2011Q1	ppl	Gains Losses On Foreign Currency Contracts Classified As Economic Activity For Debt Or Commitments GainsLossesOnForeignCurrencyContractsClassifiedAsEconomicActivityForDebtOrCommitments	-7000000	USD
CY2011Q1	ppl	Maximum Settlement Date Net Investment Hedges MaximumSettlementDateNetInvestmentHedges	March 2012
CY2011Q1	ppl	Insignificant Or No Net Aftertax Gains Losses On Net Investment Hedges Recognizedin Foreign Currency Translation Adjustment Component Of Other Comprehensive Income InsignificantOrNoNetAftertaxGainsLossesOnNetInvestmentHedgesRecognizedinForeignCurrencyTranslationAdjustmentComponentOfOtherComprehensiveIncome	insignificant amount
CY2011Q1	ppl	Foreigncurrencycashflowhedgegain Loss To Be Reclassified During Next12 Months None Or Insignificant ForeigncurrencycashflowhedgegainLossToBeReclassifiedDuringNext12MonthsNoneOrInsignificant	insignificant
CY2010Q1	ppl	Price Risk Cash Flow Hedge Gain Loss Reclassified To Earnings Net Text PriceRiskCashFlowHedgeGainLossReclassifiedToEarningsNetText	insignificant
CY2011Q1	ppl	Gain Loss On Discontinuation Of Foreign Currency Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Insignificant GainLossOnDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringInsignificant	no cash flow hedges were discontinued
CY2010Q1	ppl	Gain Loss On Discontinuation Of Foreign Currency Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Insignificant GainLossOnDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringInsignificant	no cash flow hedges were discontinued
CY2011Q1	ppl	Total Exposure Hedged Foreign Currency Contracts Classifed As Economic Activity TotalExposureHedgedForeignCurrencyContractsClassifedAsEconomicActivity	132000000	GBP
CY2011Q1	ppl	Minimum Termination Date Net Investment Hedges Classified As Economic Activity MinimumTerminationDateNetInvestmentHedgesClassifiedAsEconomicActivity	April 2011
CY2011Q1	ppl	Maximum Termination Date Net Investment Hedges Classified As Economic Activity MaximumTerminationDateNetInvestmentHedgesClassifiedAsEconomicActivity	December 2011
CY2011Q1	us-gaap	Notional Amount Of Net Investment Hedge Instruments NotionalAmountOfNetInvestmentHedgeInstruments	17000000	USD
CY2011Q1	us-gaap	Notional Amount Of Net Investment Hedge Instruments NotionalAmountOfNetInvestmentHedgeInstruments	10000000	GBP
CY2011Q1	ppl	Insignificant Or No Gains Losses On Foreign Currency Contracts Classified As Economic Activity InsignificantOrNoGainsLossesOnForeignCurrencyContractsClassifiedAsEconomicActivity	insignificant
CY2010Q1	ppl	Insignificant Or No Gains Losses On Foreign Currency Contracts Classified As Economic Activity InsignificantOrNoGainsLossesOnForeignCurrencyContractsClassifiedAsEconomicActivity	insignificant
CY2011Q1	ppl	Fair Value Commodity Derivative Contracts Classified Economic Activity FairValueCommodityDerivativeContractsClassifiedEconomicActivity	277000000	USD
CY2010Q4	ppl	Fair Value Commodity Derivative Contracts Classified Economic Activity FairValueCommodityDerivativeContractsClassifiedEconomicActivity	400000000	USD
CY2011Q1	ppl	Baseload Generation Fleet Generating Capacity BaseloadGenerationFleetGeneratingCapacity	7267	MW
CY2011Q1	ppl	Intermediate And Peaking Fleet Generating Capacity IntermediateAndPeakingFleetGeneratingCapacity	3501	MW
CY2011Q1	ppl	Volume Of Electricity Based Financial Derivatives For Unregulated Subsidiary VolumeOfElectricityBasedFinancialDerivativesForUnregulatedSubsidiary	1254	GWh
CY2011Q1	us-gaap	Maximum Length Of Time Hedged In Interest Rate Cash Flow Hedge MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge	2021
CY2011Q1	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	250000000	USD
CY2011Q1	invest	Derivative Notional Amount DerivativeNotionalAmount	302000000	USD
CY2011Q1	us-gaap	Derivative Higher Remaining Maturity Range DerivativeHigherRemainingMaturityRange	December 2028
CY2011Q1	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	-5000000	USD
CY2011Q1	ppl	Gain Loss On Cross Currency Cash Flow Hedge Ineffectivenes Immaterial GainLossOnCrossCurrencyCashFlowHedgeIneffectivenesImmaterial	insignificant
CY2010Q1	ppl	Gain Loss On Cross Currency Cash Flow Hedge Ineffectivenes Immaterial GainLossOnCrossCurrencyCashFlowHedgeIneffectivenesImmaterial	insignificant
CY2011Q1	ppl	Gain Loss On Discontinuation Of Interest Rate Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Insignificant GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringInsignificant	insignificant
CY2010Q1	ppl	Gain Loss On Discontinuation Of Interest Rate Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Insignificant GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringInsignificant	no such reclassifications
CY2011Q1	ppl	Notional Amount Of Interest Rate Swaps Classified Economic Activity NotionalAmountOfInterestRateSwapsClassifiedEconomicActivity	179000000	USD
CY2011Q1	ppl	Maximum Length Of Time Hedged In Interest Rate Economic Activity Hedge MaximumLengthOfTimeHedgedInInterestRateEconomicActivityHedge	2033
CY2011Q1	ppl	Fair Value Interest Rate Swaps Classifed Economic Activity FairValueInterestRateSwapsClassifedEconomicActivity	32000000	USD
CY2011Q1	ppl	Maximum Length Of Time Hedged In Interest Rate Fair Value Hedge MaximumLengthOfTimeHedgedInInterestRateFairValueHedge	2047
CY2011Q1	us-gaap	Notional Amount Of Interest Rate Fair Value Hedge Derivatives NotionalAmountOfInterestRateFairValueHedgeDerivatives	349000000	USD
CY2011Q1	us-gaap	Ineffectiveness On Interest Rate Fair Value Hedges Is Immaterial IneffectivenessOnInterestRateFairValueHedgesIsImmaterial	did not recognize
CY2010Q1	us-gaap	Ineffectiveness On Interest Rate Fair Value Hedges Is Immaterial IneffectivenessOnInterestRateFairValueHedgesIsImmaterial	did not recognize
CY2011Q1	ppl	Gain Loss On Components Excluded From Assessment Of Interest Rate Fair Value Hedge Effectiveness Insignificant GainLossOnComponentsExcludedFromAssessmentOfInterestRateFairValueHedgeEffectivenessInsignificant	did not recognize
CY2010Q1	ppl	Gain Loss On Components Excluded From Assessment Of Interest Rate Fair Value Hedge Effectiveness Insignificant GainLossOnComponentsExcludedFromAssessmentOfInterestRateFairValueHedgeEffectivenessInsignificant	did not recognize
CY2011Q1	ppl	Gain Loss From Hedged Firm Commitment Not Qualifying As Interest Rate Fair Value Hedge Insignificant GainLossFromHedgedFirmCommitmentNotQualifyingAsInterestRateFairValueHedgeInsignificant	did not recognize
CY2010Q1	ppl	Gain Loss From Hedged Firm Commitment Not Qualifying As Interest Rate Fair Value Hedge Insignificant GainLossFromHedgedFirmCommitmentNotQualifyingAsInterestRateFairValueHedgeInsignificant	did not recognize
CY2010Q1	ppl	Insignificant Or No Net Aftertax Gains Losses On Net Investment Hedges Recognizedin Foreign Currency Translation Adjustment Component Of Other Comprehensive Income InsignificantOrNoNetAftertaxGainsLossesOnNetInvestmentHedgesRecognizedinForeignCurrencyTranslationAdjustmentComponentOfOtherComprehensiveIncome	insignificant amount
CY2011Q1	us-gaap	Translation Adjustment For Net Investment Hedge Net Of Tax TranslationAdjustmentForNetInvestmentHedgeNetOfTax	14000000	USD
CY2010Q4	us-gaap	Translation Adjustment For Net Investment Hedge Net Of Tax TranslationAdjustmentForNetInvestmentHedgeNetOfTax	15000000	USD
CY2011Q1	ppl	Notional Amount Of Foreign Currency Derivatives Classified Economic Activity For Debt Or Commitments NotionalAmountOfForeignCurrencyDerivativesClassifiedEconomicActivityForDebtOrCommitments	3300000000	USD
CY2011Q1	ppl	Notional Amount Of Foreign Currency Derivatives Classified Economic Activity For Debt Or Commitments NotionalAmountOfForeignCurrencyDerivativesClassifiedEconomicActivityForDebtOrCommitments	2100000000	GBP
CY2010Q1	ppl	Insignificant Or No Gains Losses On Foreign Currency Contracts Classified As Economic Activity For Debt Or Commitments InsignificantOrNoGainsLossesOnForeignCurrencyContractsClassifiedAsEconomicActivityForDebtOrCommitments	no such gains or losses
CY2011Q1	us-gaap	Ineffectiveness On Foreign Currency Fair Value Hedges Is Immaterial IneffectivenessOnForeignCurrencyFairValueHedgesIsImmaterial	no gains or losses
CY2010Q1	us-gaap	Ineffectiveness On Foreign Currency Fair Value Hedges Is Immaterial IneffectivenessOnForeignCurrencyFairValueHedgesIsImmaterial	no gains or losses
CY2011Q1	ppl	Gain Loss From Hedged Firm Commitment Not Qualifying As Foreign Currency Fair Value Hedge Insignificant GainLossFromHedgedFirmCommitmentNotQualifyingAsForeignCurrencyFairValueHedgeInsignificant	no gains or losses
CY2010Q1	ppl	Gain Loss From Hedged Firm Commitment Not Qualifying As Foreign Currency Fair Value Hedge Insignificant GainLossFromHedgedFirmCommitmentNotQualifyingAsForeignCurrencyFairValueHedgeInsignificant	no gains or losses
CY2011Q1	ppl	Gain Loss From Hedged Being Excluded From Assessment Of Effectiveness Foreign Currency Fair Value Hedge Insignificant GainLossFromHedgedBeingExcludedFromAssessmentOfEffectivenessForeignCurrencyFairValueHedgeInsignificant	no gains or losses
CY2010Q1	ppl	Gain Loss From Hedged Being Excluded From Assessment Of Effectiveness Foreign Currency Fair Value Hedge Insignificant GainLossFromHedgedBeingExcludedFromAssessmentOfEffectivenessForeignCurrencyFairValueHedgeInsignificant	no gains or losses
CY2010Q4	ppl	Fair Value Interest Rate Swaps Classifed Economic Activity FairValueInterestRateSwapsClassifedEconomicActivity	34000000	USD
CY2011Q1	us-gaap	Derivative Liability Designated As Hedging Instrument Fair Value DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue	17000000	USD
CY2011Q1	us-gaap	Derivative Asset Not Designated As Hedging Instrument Fair Value DerivativeAssetNotDesignatedAsHedgingInstrumentFairValue	1375000000	USD
CY2011Q1	us-gaap	Derivative Liability Not Designated As Hedging Instrument Fair Value DerivativeLiabilityNotDesignatedAsHedgingInstrumentFairValue	1390000000	USD
CY2010Q4	us-gaap	Derivative Liability Not Designated As Hedging Instrument Fair Value DerivativeLiabilityNotDesignatedAsHedgingInstrumentFairValue	1560000000	USD
CY2010Q4	us-gaap	Derivative Asset Not Designated As Hedging Instrument Fair Value DerivativeAssetNotDesignatedAsHedgingInstrumentFairValue	1460000000	USD
CY2010Q4	us-gaap	Derivative Liability Designated As Hedging Instrument Fair Value DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue	54000000	USD
CY2010Q4	us-gaap	Derivative Asset Designated As Hedging Instrument Fair Value DerivativeAssetDesignatedAsHedgingInstrumentFairValue	1113000000	USD
CY2011Q1	us-gaap	Derivative Asset Designated As Hedging Instrument Fair Value DerivativeAssetDesignatedAsHedgingInstrumentFairValue	1010000000	USD
CY2011Q1	ppl	Pretax Gain Loss Derivatives No Longer Designated As Hedging Instruments Recorded In Aoci PretaxGainLossDerivativesNoLongerDesignatedAsHedgingInstrumentsRecordedInAoci	293000000	USD
CY2010Q4	ppl	Pretax Gain Loss Derivatives No Longer Designated As Hedging Instruments Recorded In Aoci PretaxGainLossDerivativesNoLongerDesignatedAsHedgingInstrumentsRecordedInAoci	326000000	USD
CY2011Q1	ppl	Derivative Net Liability Position Aggregate Fair Value Alternative DerivativeNetLiabilityPositionAggregateFairValueAlternative	124000000	USD
CY2011Q1	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	92000000	USD
CY2011Q1	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	205000000	USD
CY2011Q1	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	31000000	USD
CY2010Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	448000000	USD
CY2011Q1	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-9000000	USD
CY2011Q1	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	3000000	USD
CY2011Q1	us-gaap	Asset Retirement Obligation AssetRetirementObligation	454000000	USD
CY2011Q1	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	12000000	USD
CY2010Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	13000000	USD
CY2011Q1	us-gaap	Decommissioning Liability Noncurrent DecommissioningLiabilityNoncurrent	276000000	USD
CY2010Q4	us-gaap	Decommissioning Liability Noncurrent DecommissioningLiabilityNoncurrent	270000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	475000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	195000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	1000000	USD
CY2011Q1	us-gaap	Available For Sale Securities AvailableForSaleSecurities	669000000	USD
CY2010Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	624000000	USD
CY2010	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	182000000	USD
CY2010Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	806000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	17000000	USD
CY2010Q1	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	5000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	5000000	USD
CY2010Q1	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	1000000	USD
CY2011Q1	dei	Document Type DocumentType	10-Q
CY2011Q1	dei	Document Period End Date DocumentPeriodEndDate	2011-03-31
CY2011Q1	dei	Amendment Flag AmendmentFlag	false
CY2011Q1	dei	Entity Registrant Name EntityRegistrantName	PPL CORP
CY2011Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000922224
CY2011Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2011Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2011Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2011Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2011Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2011Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	577151364	shares
CY2010Q2	dei	Entity Public Float EntityPublicFloat	12030588878	USD
CY2011Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2011
CY2011Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1

Files In Submission

Name	View Source	Status
0000922224-11-000072-index-headers.html	Edgar Link	pending
0000922224-11-000072-index.html	Edgar Link	pending
0000922224-11-000072.txt	Edgar Link	pending
0000922224-11-000072-xbrl.zip	Edgar Link	pending
defnref.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
form10q-exhibit10a.htm	Edgar Link	pending
form10q-exhibit10c.htm	Edgar Link	pending
form10q-exhibit12a.htm	Edgar Link	pending
form10q-exhibit12b.htm	Edgar Link	pending
form10q-exhibit12c.htm	Edgar Link	pending
form10q-exhibit31a.htm	Edgar Link	pending
form10q-exhibit31b.htm	Edgar Link	pending
form10q-exhibit31c.htm	Edgar Link	pending
form10q-exhibit31d.htm	Edgar Link	pending
form10q-exhibit31e.htm	Edgar Link	pending
form10q-exhibit31f.htm	Edgar Link	pending
form10q-exhibit32a.htm	Edgar Link	pending
form10q-exhibit32b.htm	Edgar Link	pending
form10q-exhibit32c.htm	Edgar Link	pending
form10q-exhibit32d.htm	Edgar Link	pending
form10q-exhibit32e.htm	Edgar Link	pending
form10q-exhibit32f.htm	Edgar Link	pending
form10q.htm	Edgar Link	pending
ppl-20110331.xml	Edgar Link	completed
ppl-20110331.xsd	Edgar Link	pending
ppl-20110331_cal.xml	Edgar Link	unprocessable
ppl-20110331_def.xml	Edgar Link	unprocessable
ppl-20110331_lab.xml	Edgar Link	unprocessable
ppl-20110331_pre.xml	Edgar Link	unprocessable
R1.xml	Edgar Link	unprocessable
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R9.xml	Edgar Link	unprocessable

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$PPL
PPL Corp Stock $ppl

2011 Q1 Form 10-Q Financial Statement

#000092222411000072 Filed on May 06, 2011

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PPL PPL Corp Stock $ppl

2011 Q1 Form 10-Q Financial Statement

#000092222411000072 Filed on May 06, 2011

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PPL
PPL Corp Stock $ppl