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v3.19.1

Adoption of Accounting Guidance (Tables) | 3 Months Ended
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Mar. 31, 2019
Summary Of Significant Accounting Policies [Line Items] |
Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow Statement | The following provides a reconciliation of Cash, Cash Equivalents and Restricted Cash reported within the Balance Sheets that sum to the total of the same amounts shown on the Statements of Cash Flows:
| PPL |  | PPL Electric
| March 31, 2019 |  | December 31, 2018 |  | March 31, 2019 |  | December 31, 2018
Cash and cash equivalents | $ | 518 |  |  | $ | 621 |  |  | $ | 23 |  |  | $ | 267 |
Restricted cash - current (a) | 3 |  |  | 3 |  |  | 2 |  |  | 2 |
Restricted cash - noncurrent (a) | 19 |  |  | 19 |  |  | — |  |  | — |
Total Cash, Cash Equivalents and Restricted Cash | $ | 540 |  |  | $ | 643 |  |  | $ | 25 |  |  | $ | 269 |
(a) | Bank deposits and other cash equivalents that are restricted by agreement or that have been clearly designated for a specific purpose are classified as restricted cash. On the Balance Sheets, the current portion of restricted cash is included in "Other current assets," while the noncurrent portion is included in "Other noncurrent assets."
Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block] | The following table shows the amounts recorded on the Balance Sheets as of January 1, 2019 as a result of the adoption of this guidance using a modified retrospective transition method with transition applied as of the beginning of the period of adoption:
| PPL |  | LKE |  | LG&E |  | KU
Right of Use Asset (a) | $ | 81 |  |  | $ | 56 |  |  | $ | 23 |  |  | $ | 31 |
Lease Liability- Current (b) | 23 |  |  | 18 |  |  | 9 |  |  | 9 |
Lease Liability- Noncurrent (c) | 67 |  |  | 46 |  |  | 18 |  |  | 26 |
(a) | Right of Use Assets are recorded in "Other noncurrent assets" on the Balance Sheets.
(b) | Current lease liabilities are recorded in "Other current liabilities" on the Balance Sheets.
(c) | Noncurrent lease liabilities are recorded in "Other deferred credits and noncurrent liabilities" on the Balance Sheets.

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- Definition [Table Text Block] for Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Table] + References No definition available. + Details
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- Definition Tabular disclosure of the comparison between amounts disclosed under previous guidance and new guidance. + References No definition available. + Details
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