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Total after-tax gain (loss) included in earnings related to the monetization of certain full-requirement sales contracts.

No definition available.

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Obligation to return cash collateral received from counterparties under terms of a master netting arrangement.

No definition available.

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The amount of cash collateral posted under master netting arrangements.

No definition available.

Name:	ppl_CashCollateralPostedUnderMasterNettingArrangements
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Data Type:	xbrli:monetaryItemType
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The period end fair value of commodity contracts classified as economic activity. The fair value results in a net (asset) or liability position.

No definition available.

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Unrealized pre-tax gains (losses) on NPNS contracts which resulted from the fair value of such contracts being recorded on the Balance Sheet, with an offset to the Statement of Income, due to the monetization of these full-requirement sales contracts.

No definition available.

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Maximum length of time over which the entity is economically hedging its exposure to the variability in future cash flows for forecasted transactions.

No definition available.

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Unrealized pre-tax gains (losses) on NPNS contracts which resulted from the fair value of such contracts being recorded on the Balance Sheet and offset to the Income Statement, that were not monetized.

No definition available.

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Amount of pre-tax gains (losses) from economic activity related to price and volume risk derivative instruments not designated as hedging instruments, the ineffective portion of qualifying cash flow hedges, and the entire change in fair value of certain cash flow hedges that fail retrospective effectiveness testing.

No definition available.

Name:	ppl_PretaxGainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsIncludingInEffectiveness
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Total pre-tax gain (loss) included in earnings related to the monetization of certain full-requirement sales contracts.

No definition available.

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Data Type:	xbrli:monetaryItemType
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A disclosure of an assertion that the amount of net gains (losses) reclassified into earnings when price risk cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period is insignificant or zero.

No definition available.

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Cash proceeds from the monetization of full-requirement sales contracts.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Realized pre-tax gains (losses) on NPNS contracts which resulted from the fair value of such contracts being recorded on the Balance Sheet and offset to the Income Statement, specific to those contracts monetized.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Unrealized pre-tax gains (losses) that represents the change in fair value of certain full-requirement sales contracts monetized and were previously classified as economic activity.

No definition available.

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The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(4)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=6887037&loc=d3e80748-113994

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The amount of net gain (loss) reclassified into earnings when price risk cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

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The net gain (loss) recognized in earnings during the period due to ineffectiveness in price risk cash flow hedges.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959

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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6887037&loc=d3e80748-113994

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The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6887037&loc=d3e80748-113994

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