CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Millions, except Share data in Thousands, unless otherwise specified
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Mar. 31, 2015
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Dec. 31, 2014
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Receivables Net Current [Abstract] |
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Accounts receivable reserve for uncollectible accounts |
$ 47us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |
$ 46us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |
Equity |
|
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Common stock par value |
$ 0.01us-gaap_CommonStockParOrStatedValuePerShare |
$ 0.01us-gaap_CommonStockParOrStatedValuePerShare |
Common stock shares authorized |
780,000us-gaap_CommonStockSharesAuthorized |
780,000us-gaap_CommonStockSharesAuthorized |
Common stock shares issued |
667,713us-gaap_CommonStockSharesIssued |
665,849us-gaap_CommonStockSharesIssued |
Common stock shares outstanding |
667,713us-gaap_CommonStockSharesOutstanding |
665,849us-gaap_CommonStockSharesOutstanding |
PPL Electric Utilities Corp [Member] |
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Receivables Net Current [Abstract] |
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Accounts receivable reserve for uncollectible accounts |
17us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
17us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
Equity |
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Common stock no par value |
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Common stock shares authorized |
170,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
170,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
Common stock shares issued |
66,368us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
66,368us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
Common stock shares outstanding |
66,368us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
66,368us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = ppl_PplElectricUtilitiesCorpMember |
LG And E And KU Energy LLC [Member] |
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Receivables Net Current [Abstract] |
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Accounts receivable reserve for uncollectible accounts |
26us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_LGAndEAndKUEnergyLLCMember |
25us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_LGAndEAndKUEnergyLLCMember |
Louisville Gas And Electric Co [Member] |
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Receivables Net Current [Abstract] |
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Accounts receivable reserve for uncollectible accounts |
2us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
2us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
Equity |
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Common stock no par value |
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Common stock shares authorized |
75,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
75,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
Common stock shares issued |
21,294us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
21,294us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
Common stock shares outstanding |
21,294us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
21,294us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = ppl_LouisvilleGasAndElectricCoMember |
Kentucky Utilities Co [Member] |
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Receivables Net Current [Abstract] |
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Accounts receivable reserve for uncollectible accounts |
$ 3us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
$ 2us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
Equity |
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Common stock no par value |
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Common stock shares authorized |
80,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
80,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
Common stock shares issued |
37,818us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
37,818us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
Common stock shares outstanding |
37,818us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |
37,818us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = ppl_KentuckyUtilitiesCoMember |