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Related Party Transactions | 9 Months Ended
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Sep. 30, 2017
PPL Electric Utilities Corp [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 10. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other, as applicable, with administrative, management and support services. For all service companies, the costs of these services are charged to the respective recipients as direct support costs. General costs that cannot be directly attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2017 |  | 2016 |  | 2017 |  | 2016
PPL Electric from PPL Services | $ | 43 |  |  | $ | 33 |  |  | $ | 138 |  |  | $ | 98 |
LKE from PPL Services | 4 |  |  | 4 |  |  | 15 |  |  | 13 |
PPL Electric from PPL EU Services | 15 |  |  | 17 |  |  | 48 |  |  | 50 |
LG&E from LKS | 38 |  |  | 40 |  |  | 120 |  |  | 128 |
KU from LKS | 43 |  |  | 46 |  |  | 134 |  |  | 151 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overhead costs associated with union and hourly employees performing work for the other company, charges related to jointly owned generating units and other miscellaneous charges. Tax settlements between LKE and LG&E and KU are reimbursed through LKS. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $400 million revolving line of credit with a PPL Electric subsidiary. At September 30, 2017, $2 million was outstanding and reflected in "Notes receivable from affiliate" on the Balance Sheet. No balance was outstanding at December 31, 2016. The interest rates on borrowings are equal to one-month LIBOR plus a spread. The interest rate on the outstanding borrowing at September 30, 2017 was 2.98%. (LKE) LKE maintains a $225 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At September 30, 2017 and December 31, 2016, $159 million and $163 million were outstanding and reflected in "Notes payable with affiliate" on the Balance Sheets. The interest rates on the outstanding borrowing at September 30, 2017 and December 31, 2016 were 2.73% and 2.12%. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At September 30, 2017 and December 31, 2016, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. (LG&E) LG&E participates in an intercompany money pool agreement whereby LKE and/or KU make available to LG&E funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, $10 million was outstanding and was reflected in "Notes payable with affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding borrowings at September 30, 2017 was 1.46%. Interest expense incurred on the money pool agreement with KU was not significant for the three and nine months ended September 30, 2017. (KU) KU participates in an intercompany money pool agreement whereby LKE and/or LG&E make available to KU funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, KU had no payable balance outstanding, but had a $10 million receivable balance outstanding, which was reflected in "Notes receivable from affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding receivable at September, 30, 2017 was 1.46%. Interest income incurred on the money pool agreement with LG&E was not significant for the three and nine months ended September 30, 2017. Other (PPL Electric, LG&E and KU) See Note 8 for discussions regarding intercompany allocations associated with defined benefits.
LG And E And KU Energy LLC [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 10. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other, as applicable, with administrative, management and support services. For all service companies, the costs of these services are charged to the respective recipients as direct support costs. General costs that cannot be directly attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2017 |  | 2016 |  | 2017 |  | 2016
PPL Electric from PPL Services | $ | 43 |  |  | $ | 33 |  |  | $ | 138 |  |  | $ | 98 |
LKE from PPL Services | 4 |  |  | 4 |  |  | 15 |  |  | 13 |
PPL Electric from PPL EU Services | 15 |  |  | 17 |  |  | 48 |  |  | 50 |
LG&E from LKS | 38 |  |  | 40 |  |  | 120 |  |  | 128 |
KU from LKS | 43 |  |  | 46 |  |  | 134 |  |  | 151 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overhead costs associated with union and hourly employees performing work for the other company, charges related to jointly owned generating units and other miscellaneous charges. Tax settlements between LKE and LG&E and KU are reimbursed through LKS. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $400 million revolving line of credit with a PPL Electric subsidiary. At September 30, 2017, $2 million was outstanding and reflected in "Notes receivable from affiliate" on the Balance Sheet. No balance was outstanding at December 31, 2016. The interest rates on borrowings are equal to one-month LIBOR plus a spread. The interest rate on the outstanding borrowing at September 30, 2017 was 2.98%. (LKE) LKE maintains a $225 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At September 30, 2017 and December 31, 2016, $159 million and $163 million were outstanding and reflected in "Notes payable with affiliate" on the Balance Sheets. The interest rates on the outstanding borrowing at September 30, 2017 and December 31, 2016 were 2.73% and 2.12%. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At September 30, 2017 and December 31, 2016, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. (LG&E) LG&E participates in an intercompany money pool agreement whereby LKE and/or KU make available to LG&E funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, $10 million was outstanding and was reflected in "Notes payable with affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding borrowings at September 30, 2017 was 1.46%. Interest expense incurred on the money pool agreement with KU was not significant for the three and nine months ended September 30, 2017. (KU) KU participates in an intercompany money pool agreement whereby LKE and/or LG&E make available to KU funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, KU had no payable balance outstanding, but had a $10 million receivable balance outstanding, which was reflected in "Notes receivable from affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding receivable at September, 30, 2017 was 1.46%. Interest income incurred on the money pool agreement with LG&E was not significant for the three and nine months ended September 30, 2017. Other (PPL Electric, LG&E and KU) See Note 8 for discussions regarding intercompany allocations associated with defined benefits.
Louisville Gas And Electric Co [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 10. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other, as applicable, with administrative, management and support services. For all service companies, the costs of these services are charged to the respective recipients as direct support costs. General costs that cannot be directly attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2017 |  | 2016 |  | 2017 |  | 2016
PPL Electric from PPL Services | $ | 43 |  |  | $ | 33 |  |  | $ | 138 |  |  | $ | 98 |
LKE from PPL Services | 4 |  |  | 4 |  |  | 15 |  |  | 13 |
PPL Electric from PPL EU Services | 15 |  |  | 17 |  |  | 48 |  |  | 50 |
LG&E from LKS | 38 |  |  | 40 |  |  | 120 |  |  | 128 |
KU from LKS | 43 |  |  | 46 |  |  | 134 |  |  | 151 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overhead costs associated with union and hourly employees performing work for the other company, charges related to jointly owned generating units and other miscellaneous charges. Tax settlements between LKE and LG&E and KU are reimbursed through LKS. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $400 million revolving line of credit with a PPL Electric subsidiary. At September 30, 2017, $2 million was outstanding and reflected in "Notes receivable from affiliate" on the Balance Sheet. No balance was outstanding at December 31, 2016. The interest rates on borrowings are equal to one-month LIBOR plus a spread. The interest rate on the outstanding borrowing at September 30, 2017 was 2.98%. (LKE) LKE maintains a $225 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At September 30, 2017 and December 31, 2016, $159 million and $163 million were outstanding and reflected in "Notes payable with affiliate" on the Balance Sheets. The interest rates on the outstanding borrowing at September 30, 2017 and December 31, 2016 were 2.73% and 2.12%. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At September 30, 2017 and December 31, 2016, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. (LG&E) LG&E participates in an intercompany money pool agreement whereby LKE and/or KU make available to LG&E funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, $10 million was outstanding and was reflected in "Notes payable with affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding borrowings at September 30, 2017 was 1.46%. Interest expense incurred on the money pool agreement with KU was not significant for the three and nine months ended September 30, 2017. (KU) KU participates in an intercompany money pool agreement whereby LKE and/or LG&E make available to KU funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, KU had no payable balance outstanding, but had a $10 million receivable balance outstanding, which was reflected in "Notes receivable from affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding receivable at September, 30, 2017 was 1.46%. Interest income incurred on the money pool agreement with LG&E was not significant for the three and nine months ended September 30, 2017. Other (PPL Electric, LG&E and KU) See Note 8 for discussions regarding intercompany allocations associated with defined benefits.
Kentucky Utilities Co [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 10. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other, as applicable, with administrative, management and support services. For all service companies, the costs of these services are charged to the respective recipients as direct support costs. General costs that cannot be directly attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2017 |  | 2016 |  | 2017 |  | 2016
PPL Electric from PPL Services | $ | 43 |  |  | $ | 33 |  |  | $ | 138 |  |  | $ | 98 |
LKE from PPL Services | 4 |  |  | 4 |  |  | 15 |  |  | 13 |
PPL Electric from PPL EU Services | 15 |  |  | 17 |  |  | 48 |  |  | 50 |
LG&E from LKS | 38 |  |  | 40 |  |  | 120 |  |  | 128 |
KU from LKS | 43 |  |  | 46 |  |  | 134 |  |  | 151 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overhead costs associated with union and hourly employees performing work for the other company, charges related to jointly owned generating units and other miscellaneous charges. Tax settlements between LKE and LG&E and KU are reimbursed through LKS. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $400 million revolving line of credit with a PPL Electric subsidiary. At September 30, 2017, $2 million was outstanding and reflected in "Notes receivable from affiliate" on the Balance Sheet. No balance was outstanding at December 31, 2016. The interest rates on borrowings are equal to one-month LIBOR plus a spread. The interest rate on the outstanding borrowing at September 30, 2017 was 2.98%. (LKE) LKE maintains a $225 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At September 30, 2017 and December 31, 2016, $159 million and $163 million were outstanding and reflected in "Notes payable with affiliate" on the Balance Sheets. The interest rates on the outstanding borrowing at September 30, 2017 and December 31, 2016 were 2.73% and 2.12%. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At September 30, 2017 and December 31, 2016, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. (LG&E) LG&E participates in an intercompany money pool agreement whereby LKE and/or KU make available to LG&E funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, $10 million was outstanding and was reflected in "Notes payable with affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding borrowings at September 30, 2017 was 1.46%. Interest expense incurred on the money pool agreement with KU was not significant for the three and nine months ended September 30, 2017. (KU) KU participates in an intercompany money pool agreement whereby LKE and/or LG&E make available to KU funds up to $500 million at an interest rate based on a market index of commercial paper issues. At September 30, 2017, KU had no payable balance outstanding, but had a $10 million receivable balance outstanding, which was reflected in "Notes receivable from affiliate" on the Balance Sheet. No balances were outstanding at December 31, 2016. The interest rate on the outstanding receivable at September, 30, 2017 was 1.46%. Interest income incurred on the money pool agreement with LG&E was not significant for the three and nine months ended September 30, 2017. Other (PPL Electric, LG&E and KU) See Note 8 for discussions regarding intercompany allocations associated with defined benefits.

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