XML 217 R43.htm IDEA: XBRL DOCUMENT
v3.25.3

Asset Retirement Obligations (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Asset Retirement Obligation [Line Items] |
Asset Retirement Obligation Roll Forward | The changes in the carrying amounts of AROs were as follows.
| PPL |  | LG&E |  | KU
Balance at December 31, 2024 | $ | 157 |  |  | $ | 84 |  |  | $ | 64 |
Accretion | 6 |  |  | 3 |  |  | 3 |
Changes in estimated timing or cost | 3 |  |  | 1 |  |  | 2 |
Obligations settled | (18) |  |  | (9) |  |  | (7) |
Balance at September 30, 2025 | $ | 148 |  |  | $ | 79 |  |  | $ | 62 |
Louisville Gas And Electric Co [Member] |
Asset Retirement Obligation [Line Items] |
Asset Retirement Obligation Roll Forward | The changes in the carrying amounts of AROs were as follows.
| PPL |  | LG&E |  | KU
Balance at December 31, 2024 | $ | 157 |  |  | $ | 84 |  |  | $ | 64 |
Accretion | 6 |  |  | 3 |  |  | 3 |
Changes in estimated timing or cost | 3 |  |  | 1 |  |  | 2 |
Obligations settled | (18) |  |  | (9) |  |  | (7) |
Balance at September 30, 2025 | $ | 148 |  |  | $ | 79 |  |  | $ | 62 |
Kentucky Utilities Co [Member] |
Asset Retirement Obligation [Line Items] |
Asset Retirement Obligation Roll Forward | The changes in the carrying amounts of AROs were as follows.
| PPL |  | LG&E |  | KU
Balance at December 31, 2024 | $ | 157 |  |  | $ | 84 |  |  | $ | 64 |
Accretion | 6 |  |  | 3 |  |  | 3 |
Changes in estimated timing or cost | 3 |  |  | 1 |  |  | 2 |
Obligations settled | (18) |  |  | (9) |  |  | (7) |
Balance at September 30, 2025 | $ | 148 |  |  | $ | 79 |  |  | $ | 62 |

X
- References No definition available. + Details
Name: | ppl_AssetRetirementObligationLineItems
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=ppl_LouisvilleGasAndElectricCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ppl_KentuckyUtilitiesCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |