XML 49 R31.htm IDEA: XBRL DOCUMENT
v3.22.1

Revenue from Contracts with Customers (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Revenue from Contracts with Customers [Line Items] |
Reconciliation of Revenue from Contracts with Customers [Table Text Block] | The following tables reconcile "Operating Revenues" included in each Registrant's Statement of Income with revenues generated from contracts with customers for the periods ended March 31.
| 2022 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a) | $ | 1,782 |  |  | $ | 775 |  |  | $ | 493 |  |  | $ | 525 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (b) | (27) |  |  | (36) |  |  | 6 |  |  | 3 |
Other (c) | (7) |  |  | (4) |  |  | (2) |  |  | (1) |
Revenues from Contracts with Customers | $ | 1,748 |  |  | $ | 735 |  |  | $ | 497 |  |  | $ | 527 |
| 2021 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a) | $ | 1,498 |  |  | $ | 605 |  |  | $ | 428 |  |  | $ | 469 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (b) | 24 |  |  | 22 |  |  | — |  |  | 2 |
Other (c) | (6) |  |  | — |  |  | (3) |  |  | (3) |
Revenues from Contracts with Customers | $ | 1,516 |  |  | $ | 627 |  |  | $ | 425 |  |  | $ | 468 |
(a)PPL Electric represents revenues from external customers reported by the Pennsylvania Regulated segment and LG&E and KU, net of intercompany power sales and transmission revenues, represent revenues from external customers reported by the Kentucky Regulated segment. See Note 2 for additional information. (b)Alternative revenue programs include the transmission formula rate for PPL Electric, the ECR and DSM programs for LG&E and KU, the GLT program and gas supply clause incentive mechanism for LG&E, and the generation formula rate for KU. This line item shows the over/under collection of these rate mechanisms with over-collections of revenue shown as positive amounts in the table above and under-collections shown as negative amounts. For PPL Electric, the three months ended March 31, 2022, includes $44 million related to the amortization of the regulatory liability recorded in 2021 for a reduction in the transmission formula rate return on equity that is reflected in rates in 2022. The three months ended March 31, 2021, included a $27 million revenue reduction recorded as a result of the challenge to the transmission formula rate return on equity. See Note 6 for additional information. (c)Represents additional revenues outside the scope of revenues from contracts with customers, such as lease and other miscellaneous revenues.
Disaggregation of Revenue [Table Text Block] | The following tables show revenues from contracts with customers disaggregated by customer class for the periods ended March 31.
| 2022 Three Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 453 |  |  | $ | 108 |  |  | $ | 15 |  |  | $ | 12 |  |  | $ | — |  |  | $ | — |  |  | $ | 147 |  |  | $ | 735 |
KY Regulated | 478 |  |  | 270 |  |  | 154 |  |  | 83 |  |  | 6 |  |  | 19 |  |  | — |  |  | 1,010 |
Corp and Other | — |  |  | — |  |  | — |  |  | 3 |  |  | — |  |  | — |  |  | — |  |  | 3 |
Total PPL | $ | 931 |  |  | $ | 378 |  |  | $ | 169 |  |  | $ | 98 |  |  | $ | 6 |  |  | $ | 19 |  |  | $ | 147 |  |  | $ | 1,748 |
PPL Electric | $ | 453 |  |  | $ | 108 |  |  | $ | 15 |  |  | $ | 12 |  |  | $ | — |  |  | $ | — |  |  | $ | 147 |  |  | $ | 735 |
LG&E | $ | 246 |  |  | $ | 146 |  |  | $ | 45 |  |  | $ | 39 |  |  | $ | — |  |  | $ | 21 |  |  | $ | — |  |  | $ | 497 |
KU | $ | 232 |  |  | $ | 124 |  |  | $ | 109 |  |  | $ | 44 |  |  | $ | 6 |  |  | $ | 12 |  |  | $ | — |  |  | $ | 527 |
| 2021 Three Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 361 |  |  | $ | 82 |  |  | $ | 12 |  |  | $ | 12 |  |  | $ | — |  |  | $ | — |  |  | $ | 160 |  |  | $ | 627 |
KY Regulated | 413 |  |  | 231 |  |  | 140 |  |  | 71 |  |  | 6 |  |  | 20 |  |  | — |  |  | 881 |
Corp and Other | — |  |  | — |  |  | — |  |  | 8 |  |  | — |  |  | — |  |  | — |  |  | 8 |
Total PPL | $ | 774 |  |  | $ | 313 |  |  | $ | 152 |  |  | $ | 91 |  |  | $ | 6 |  |  | $ | 20 |  |  | $ | 160 |  |  | $ | 1,516 |
PPL Electric | $ | 361 |  |  | $ | 82 |  |  | $ | 12 |  |  | $ | 12 |  |  | $ | — |  |  | $ | — |  |  | $ | 160 |  |  | $ | 627 |
LG&E | $ | 205 |  |  | $ | 121 |  |  | $ | 46 |  |  | $ | 34 |  |  | $ | — |  |  | $ | 19 |  |  | $ | — |  |  | $ | 425 |
KU | $ | 208 |  |  | $ | 110 |  |  | $ | 94 |  |  | $ | 37 |  |  | $ | 6 |  |  | $ | 13 |  |  | $ | — |  |  | $ | 468 |
(a)Primarily includes revenues from pole attachments, street lighting, other public authorities and other non-core businesses. (b)Includes wholesale power and transmission revenues. LG&E and KU amounts include intercompany power sales and transmission revenues, which are eliminated upon consolidation at the Kentucky Regulated segment.
Credit Loss Recognized from Contracts with Customers [Table Text Block] | The following table shows the accounts receivable and unbilled revenues balances that were impaired for the periods ended March 31.
|  |  | Three Months
|  |  |  |  | 2022 |  | 2021
PPL |  |  |  |  | $ | 7 |  |  | $ | 2 |
PPL Electric |  |  |  |  | 5 |  |  | 1 |
LG&E |  |  |  |  | 1 |  |  | — |
KU |  |  |  |  | 1 |  |  | 1 |
Contract with Customer, Asset and Liability [Table Text Block] | The following table shows the balances and certain activity of contract liabilities resulting from contracts with customers.
| PPL |  | PPL Electric |  | LG&E |  | KU
Contract liabilities at December 31, 2021 | $ | 42 |  |  | $ | 25 |  |  | $ | 6 |  |  | $ | 6 |
Contract liabilities at March 31, 2022 | 33 |  |  | 17 |  |  | 4 |  |  | 5 |
Revenue recognized during the three months ended March 31, 2022 that was included in the contract liability balance at December 31, 2021 | 22 |  |  | 10 |  |  | 6 |  |  | 6 |
Contract liabilities at December 31, 2020 | $ | 40 |  |  | $ | 23 |  |  | $ | 5 |  |  | $ | 6 |
Contract liabilities at March 31, 2021 | 33 |  |  | 16 |  |  | 5 |  |  | 5 |
Revenue recognized during the three months ended March 31, 2021 that was included in the contract liability balance at December 31, 2020 | 21 |  |  | 9 |  |  | 5 |  |  | 6 |

X
- Definition Credit loss recognized from contract with customer [Table Text Block] + References No definition available. + Details
Name: | ppl_CreditlossrecognizedfromcontractwithcustomerTableTextBlock
Namespace Prefix: | ppl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Table Text Block] for Reconciliation of revenue from contracts with customers [Table] + References No definition available. + Details
Name: | ppl_ReconciliationofrevenuefromcontractswithcustomersTableTextBlock
Namespace Prefix: | ppl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Line Items] for Revenue from contracts with customers [Table] + References No definition available. + Details
Name: | ppl_RevenuefromcontractswithcustomersLineItems
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
Name: | us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration