Financing Activities (Short-term Debt) (Details)
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12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2013
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2011
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
USD ($)
|
Mar. 31, 2011
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
GBP (£)
|
Dec. 31, 2013
PPL Energy Supply [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
PPL Energy Supply [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
PPL Electric [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
LGE [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
LGE [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
KU [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
KU [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2011
PPL Capital Funding [Member]
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
USD ($)
|
Dec. 31, 2011
PPL Capital Funding [Member]
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
GBP (£)
|
May 31, 2011
PPL WEM [Member]
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
GBP (£)
|
Apr. 30, 2011
PPL WEM [Member]
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
GBP (£)
|
Dec. 31, 2011
PPL WEM [Member]
Bridge Loan 2011 [Member]
Expired Short Term Debt Facility [Member]
GBP (£)
|
Dec. 31, 2013
PPL Energy Supply LLC [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
PPL Energy Supply LLC [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
PPL Electric Utilities Corp [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
LG And E And KU Energy LLC [Member]
LGE [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
LG And E And KU Energy LLC [Member]
LGE [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
LG And E And KU Energy LLC [Member]
KU [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
LG And E And KU Energy LLC [Member]
KU [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
Louisville Gas And Electric Co [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
Louisville Gas And Electric Co [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2013
Kentucky Utilities Co [Member]
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2012
Kentucky Utilities Co [Member]
Commercial Paper [Member]
USD ($)
|
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Short-term Debt [Line Items] | |||||||||||||||||||||||||||
Capacity | $ 1,750,000,000 | $ 750,000,000 | $ 300,000,000 | $ 350,000,000 | $ 350,000,000 | $ 750,000,000 | $ 300,000,000 | $ 350,000,000 | $ 350,000,000 | $ 350,000,000 | $ 350,000,000 | ||||||||||||||||
Commercial paper issuances | 190,000,000 | 481,000,000 | 356,000,000 | 20,000,000 | 20,000,000 | 55,000,000 | 150,000,000 | 70,000,000 | 356,000,000 | 20,000,000 | 20,000,000 | 55,000,000 | 150,000,000 | 70,000,000 | 20,000,000 | 55,000,000 | 150,000,000 | 70,000,000 | |||||||||
Weighted-average interest rate | 0.50% | 0.23% | 0.29% | 0.42% | 0.32% | 0.42% | 0.50% | 0.23% | 0.29% | 0.42% | 0.32% | 0.42% | 0.29% | 0.42% | 0.32% | 0.42% | |||||||||||
Unused capacity | 1,560,000,000 | 750,000,000 | 280,000,000 | 330,000,000 | 200,000,000 | 750,000,000 | 280,000,000 | 330,000,000 | 200,000,000 | 330,000,000 | 200,000,000 | ||||||||||||||||
Original committed capacity of Bridge Facility | 3,600,000,000 | ||||||||||||||||||||||||||
Fees incurrred in connection with Bridge Facility | 44,000,000 | ||||||||||||||||||||||||||
Borrowings during period on short-term facility | 1,750,000,000 | 1,850,000,000 | |||||||||||||||||||||||||
Interest rate on facility | 2.62% | 2.62% | 2.62% | ||||||||||||||||||||||||
Repayments during period on short-term facility | $ 2,800,000,000 | £ 1,200,000,000 | £ 650,000,000 |