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Financing Activities - Short-term Debt (Details) - Commercial Paper [Member] - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Short-term Debt [Line Items] |  |
Capacity (c) | $ 3,150 |
Commercial Paper Issuances (d) | 1,288 | $ 303
Unused Capacity | $ 1,862 |
PPL Capital Funding [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.66% | 4.76%
Capacity (c) | $ 1,350 |
Commercial Paper Issuances (d) | 470 | $ 138
Unused Capacity | $ 880 |
PPL Electric [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.63% |
Capacity (c) | $ 650 |
Commercial Paper Issuances (d) | 385 | $ 0
Unused Capacity | $ 265 |
LGE [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.66% | 4.72%
Capacity (c) | $ 500 |
Commercial Paper Issuances (d) | 158 | $ 25
Unused Capacity | $ 342 |
KU [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.66% | 4.71%
Capacity (c) | $ 400 |
Commercial Paper Issuances (d) | 275 | $ 140
Unused Capacity | 125 |
Rhode Island Energy |  |
Short-term Debt [Line Items] |  |
Capacity (c) | 250 |
Commercial Paper Issuances (d) | 0 | 0
Unused Capacity | $ 250 |
PPL Electric Utilities Corp [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.63% |
Capacity (c) | $ 650 |
Commercial Paper Issuances (d) | 385 | $ 0
Unused Capacity | $ 265 |
Louisville Gas And Electric Co [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.66% | 4.72%
Capacity (c) | $ 500 |
Commercial Paper Issuances (d) | 158 | $ 25
Unused Capacity | $ 342 |
Kentucky Utilities Co [Member] |  |
Short-term Debt [Line Items] |  |
Weighted - Average Interest Rate | 4.66% | 4.71%
Capacity (c) | $ 400 |
Commercial Paper Issuances (d) | 275 | $ 140
Unused Capacity | $ 125 |

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