XML 162 R93.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Related Party Transactions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
PPL Electric Utilities Corp [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
Notes Receivable, Related Parties, Current | $ 499 | $ 0 |
PPL Electric Utilities Corp [Member] | PPL Services [Member] |  |  |
Related Party Transactions [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | 54 | 50 | $ 59
Intercompany Borrowings (Numeric) [Abstract] |  |  |
VEBA Funds Receivable | 11 | 22 |
PPL Electric Utilities Corp [Member] | PPL Services [Member] | Accounts receivable from affiliates [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
VEBA Funds Receivable | 10 | 10 |
PPL Electric Utilities Corp [Member] | PPL Services [Member] | Other Noncurrent Assets [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
VEBA Funds Receivable | 1 | 12 |
PPL Electric Utilities Corp [Member] | PPL EU Services [Member] |  |  |
Related Party Transactions [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | 222 | 176 | 152
PPL Electric Utilities Corp [Member] | PPL Energy Funding [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
Intercompany note with affiliate maximum borrowing capacity | 1,200 |  |
Notes Receivable, Related Parties, Current | 499 | 0 |
Louisville Gas And Electric Co [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
Notes payable to affiliates | 324 | 0 |
Louisville Gas And Electric Co [Member] | Parent And Affiliate [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
Notes Receivable, Related Parties, Current | 324 | 0 |
Intercompany Money Pool Agreement Maximum Borrowing Capacity | 325 |  |
Louisville Gas And Electric Co [Member] | LKS [Member] |  |  |
Related Party Transactions [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | 169 | 170 | 160
Kentucky Utilities Co [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
Notes payable to affiliates | 294 | 0 |
Kentucky Utilities Co [Member] | Parent And Affiliate [Member] |  |  |
Intercompany Borrowings (Numeric) [Abstract] |  |  |
Notes Receivable, Related Parties, Current | 294 | 0 |
Intercompany Money Pool Agreement Maximum Borrowing Capacity | 300 |  |
Kentucky Utilities Co [Member] | LKS [Member] |  |  |
Related Party Transactions [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | $ 179 | $ 180 | $ 178

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

X
- Definition Maximum borrowing capacity under the money pool agreement with an affiliate of the reporting entity. + References No definition available. + Details
Name: | ppl_IntercompanyMoneyPoolAgreementMaximumBorrowingCapacity
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum loan capacity under the revolving demand note agreement with an affiliate of the reporting entity. + References No definition available. + Details
Name: | ppl_IntercompanyNoteAffiliateMaximumBorrowingCapacity
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Intercompany receivable related to IRS private letter ruling permitting a transfer of excess funds from the PPL Bargaining Unite Retiree Health Plan VEBA to a new subaccount within the VEBA to be used to pay medical claims of active bargaining unit employees + References No definition available. + Details
Name: | ppl_VEBAFundsReceivable
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
Name: | us-gaap_NotesPayableRelatedPartiesClassifiedCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesReceivableRelatedPartiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ppl_ServicesCompanyAffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=ppl_AccountsreceivablefromaffiliatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ppl_EuServicesCompanyAffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ppl_PplEnergyFundingCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ppl_ParentAndAffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ppl_LKSMember
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: |