XML 158 R20.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Accumulated Other Comprehensive Income (Loss) | 3 Months Ended
--- | ---
Mar. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Accumulated Other Comprehensive Income (Loss) | 16. Accumulated Other Comprehensive Income (Loss) (PPL) The after-tax changes in AOCI by component for the periods ended March 31 were as follows.
|  |  |  |  |  |  | Unrealized gains (losses) on qualifying derivatives |  |  |  | Defined benefit plans |  |
|  |  |  |  |  | Equity investees' AOCI |  | Prior service costs |  | Actuarial gain (loss) |  | Total
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2023 |  |  |  |  |  |  | $ | 6 |  |  | $ | 3 |  |  | $ | (4) |  |  | $ | (168) |  |  | $ | (163) |
Amounts arising during the period |  |  |  |  |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | 1 |
Reclassifications from AOCI |  |  |  |  |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 1 |
Net OCI during the period |  |  |  |  |  |  | 1 |  |  | 1 |  |  | — |  |  | — |  |  | 2 |
March 31, 2024 |  |  |  |  |  |  | $ | 7 |  |  | $ | 4 |  |  | $ | (4) |  |  | $ | (168) |  |  | $ | (161) |
December 31, 2022 |  |  |  |  |  |  | $ | 3 |  |  | $ | 2 |  |  | $ | (5) |  |  | $ | (124) |  |  | $ | (124) |
Amounts arising during the period |  |  |  |  |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | 1 |
Reclassifications from AOCI |  |  |  |  |  |  | 1 |  |  | — |  |  | — |  |  | (1) |  |  | — |
Net OCI during the period |  |  |  |  |  |  | 1 |  |  | 1 |  |  | — |  |  | (1) |  |  | 1 |
March 31, 2023 |  |  |  |  |  |  | $ | 4 |  |  | $ | 3 |  |  | $ | (5) |  |  | $ | (125) |  |  | $ | (123) |
The following table presents PPL's gains (losses) and related income taxes for reclassifications from AOCI for the periods ended March 31.
|  |  |  | Three Months |  | Affected Line Item on the
Details about AOCI |  |  |  |  |  | 2024 |  | 2023 |  | Statements of Income
Qualifying derivatives |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  |  |  |  | $ | (1) |  |  | $ | (1) |  |  | Interest Expense
Total Pre-tax |  |  |  |  |  | (1) |  |  | (1) |  |  |
Income Taxes |  |  |  |  |  | — |  |  | — |  |  |
Total After-tax |  |  |  |  |  | (1) |  |  | (1) |  |  |
Defined benefit plans |  |  |  |  |  |  |  |  |  |
Net actuarial loss (a) |  |  |  |  |  | — |  |  | 1 |  |  |
Total Pre-tax |  |  |  |  |  | — |  |  | 1 |  |  |
Income Taxes |  |  |  |  |  | — |  |  | — |  |  |
Total After-tax |  |  |  |  |  | — |  |  | 1 |  |  |
Total reclassifications during the period |  |  |  |  |  | $ | (1) |  |  | $ | — |  |  |
(a) These AOCI components are included in the computation of net periodic defined benefit cost. See Note 9 for additional information.

X
- Definition The entire disclosure of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | ppl_AccumulatedOtherComprehensiveIncomeTextBlock
Namespace Prefix: | ppl_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482765/220-10-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482765/220-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-17 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration