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Maximum aggregate insurance coverage for liability assumed under contract for bodily injury and property damage.

No definition available.

Name:	ppl_MaximumAggregateCoverageBodilyInjuryAndPropertyDamage
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Data Type:	xbrli:monetaryItemType
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The maximum period, in years, that indemnifications related to the dissolution of entities generally expire after the date of dissolution.

No definition available.

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The minimum period, in years, that indemnifications related to the dissolution of entities generally expire after the date of dissolution.

No definition available.

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- References

No definition available.

Name:	ppl_OtherGuaranteeNumericAbstract
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Entity's contingent proportionate share of OVEC's outstanding debt.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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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.

No definition available.

Name:	us-gaap_GuaranteeObligationsLineItems
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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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States the reasons why the guarantor is unable to develop an estimate of the maximum potential amount of future payments under its guarantee (or each group of similar guarantees).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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Describe the approximate term of the guarantee or each group of similar guarantees.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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Name:	ppl_GuaranteeByEntityAxis=ppl_PplGuaranteeMember
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Data Type:	na
Balance Type:
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Name:	us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_IndemnificationGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ppl_GuaranteeByDescriptionAxis=ppl_WPDIndemnificationsForEntitiesInLiquidationSalesOfAssetsMember
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Data Type:	na
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Name:	us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_FinancialGuaranteeMember
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Name:	ppl_GuaranteeByDescriptionAxis=ppl_WpdGuaranteeOfPensionAndOtherObligationsOfUnconsolidatedEntitiesMember
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Data Type:	na
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Name:	ppl_GuaranteeByEntityAxis=ppl_LouisvilleGasAndElectricAndKuEnergyGuaranteeMember
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Name:	ppl_GuaranteeByDescriptionAxis=ppl_IndemnificationsIssuedByLkeMember
Namespace Prefix:
Data Type:	na
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Name:	ppl_GuaranteeByDescriptionAxis=ppl_GuaranteeForShortfallRelatedToOhioValleyElectricCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	dei_LegalEntityAxis=ppl_LGAndEAndKUEnergyLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ppl_GuaranteeByEntityAxis=ppl_LouisvilleGasAndElectricCompanyAndKentuckyUtilitiesGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=ppl_LouisvilleGasAndElectricCoMember
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Data Type:	na
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