XML 48 R21.htm IDEA: XBRL DOCUMENT
v3.21.2

Accumulated Other Comprehensive Income (Loss) | 9 Months Ended
--- | ---
Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Accumulated Other Comprehensive Income (Loss) | 17. Accumulated Other Comprehensive Income (Loss) (PPL) The after-tax changes in AOCI by component for the periods ended September 30 were as follows.
| Foreign currency translation adjustments |  |  |  | Unrealized gains (losses) on qualifying derivatives |  |  |  | Defined benefit plans |  |
|  |  |  |  |  |  | Prior service costs |  | Actuarial gain (loss) |  | Total
PPL |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2021 | $ | — |  |  |  |  | $ | — |  |  |  |  | $ | (15) |  |  | $ | (176) |  |  | $ | (191) |
Amounts arising during the period | — |  |  |  |  | — |  |  |  |  | — |  |  | (12) |  |  | (12) |
Reclassifications from AOCI | — |  |  |  |  | 1 |  |  |  |  | 9 |  |  | 10 |  |  | 20 |
Net OCI during the period | — |  |  |  |  | 1 |  |  |  |  | 9 |  |  | (2) |  |  | 8 |
September 30, 2021 | $ | — |  |  |  |  | $ | 1 |  |  |  |  | $ | (6) |  |  | $ | (178) |  |  | $ | (183) |
December 31, 2020 | $ | (1,158) |  |  |  |  | $ | — |  |  |  |  | $ | (16) |  |  | $ | (3,046) |  |  | $ | (4,220) |
Amounts arising during the period | 372 |  |  |  |  | (39) |  |  |  |  | — |  |  | (18) |  |  | 315 |
Reclassifications from AOCI | — |  |  |  |  | 25 |  |  |  |  | 2 |  |  | 117 |  |  | 144 |
Reclassifications from AOCI due to the sale of the U.K. utility business (Note 9) | 786 |  |  |  |  | 15 |  |  |  |  | 8 |  |  | 2,769 |  |  | 3,578 |
Net OCI during the period | 1,158 |  |  |  |  | 1 |  |  |  |  | 10 |  |  | 2,868 |  |  | 4,037 |
September 30, 2021 | $ | — |  |  |  |  | $ | 1 |  |  |  |  | $ | (6) |  |  | $ | (178) |  |  | $ | (183) |
June 30, 2020 | $ | (1,777) |  |  |  |  | $ | 8 |  |  |  |  | $ | (16) |  |  | $ | (2,817) |  |  | $ | (4,602) |
Amounts arising during the period | 643 |  |  |  |  | (52) |  |  |  |  | — |  |  | (16) |  |  | 575 |
Reclassifications from AOCI | — |  |  |  |  | 48 |  |  |  |  | — |  |  | 52 |  |  | 100 |
Net OCI during the period | 643 |  |  |  |  | (4) |  |  |  |  | — |  |  | 36 |  |  | 675 |
September 30, 2020 | $ | (1,134) |  |  |  |  | $ | 4 |  |  |  |  | $ | (16) |  |  | $ | (2,781) |  |  | $ | (3,927) |
December 31, 2019 | $ | (1,425) |  |  |  |  | $ | (5) |  |  |  |  | $ | (18) |  |  | $ | (2,910) |  |  | $ | (4,358) |
Amounts arising during the period | 291 |  |  |  |  | (16) |  |  |  |  | — |  |  | (17) |  |  | 258 |
Reclassifications from AOCI | — |  |  |  |  | 25 |  |  |  |  | 2 |  |  | 146 |  |  | 173 |
Net OCI during the period | 291 |  |  |  |  | 9 |  |  |  |  | 2 |  |  | 129 |  |  | 431 |
September 30, 2020 | $ | (1,134) |  |  |  |  | $ | 4 |  |  |  |  | $ | (16) |  |  | $ | (2,781) |  |  | $ | (3,927) |
The following table presents PPL's gains (losses) and related income taxes for reclassifications from AOCI for the periods ended September 30.
|  | Three Months |  | Nine Months |  | Affected Line Item on the
Details about AOCI |  | 2021 |  | 2020 |  | 2021 |  | 2020 |  | Statements of Income
Qualifying derivatives |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | (1) |  |  | $ | (3) |  |  | $ | 12 |  |  | $ | (7) |  |  | Interest Expense
|  | — |  |  | (1) |  |  | (2) |  |  | (2) |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Cross-currency swaps |  | — |  |  | (56) |  |  | (39) |  |  | (24) |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Total Pre-tax |  | (1) |  |  | (60) |  |  | (29) |  |  | (33) |  |  |
Income Taxes |  | — |  |  | 12 |  |  | 4 |  |  | 8 |  |  |
Total After-tax |  | (1) |  |  | (48) |  |  | (25) |  |  | (25) |  |  |
Defined benefit plans |  |  |  |  |  |  |  |  |  |
Prior service costs (a) |  | (12) |  |  | (1) |  |  | (3) |  |  | (3) |  |  |
Net actuarial loss (a) |  | (14) |  |  | (64) |  |  | (147) |  |  | (181) |  |  |
Total Pre-tax |  | (26) |  |  | (65) |  |  | (150) |  |  | (184) |  |  |
Income Taxes |  | 7 |  |  | 13 |  |  | 31 |  |  | 36 |  |  |
Total After-tax |  | (19) |  |  | (52) |  |  | (119) |  |  | (148) |  |  |
Sale of the U.K. utility business (Note 9) |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments |  | — |  |  | — |  |  | (646) |  |  | — |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Qualifying derivatives |  | — |  |  | — |  |  | (15) |  |  | — |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Defined benefit plans |  | — |  |  | — |  |  | (3,577) |  |  | — |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Total Pre-tax |  | — |  |  | — |  |  | (4,238) |  |  | — |  |  |
Income Taxes |  | — |  |  | — |  |  | 660 |  |  | — |  |  |
Total After-tax |  | — |  |  | — |  |  | (3,578) |  |  | — |  |  |
Total reclassifications during the period |  | $ | (20) |  |  | $ | (100) |  |  | $ | (3,722) |  |  | $ | (173) |  |  |
(a) These AOCI components are included in the computation of net periodic defined benefit cost. See Note 10 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-types: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 No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration