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The net collateral obligation posted by a guarantor under the standard supply master agreement at the end of the period.

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No definition available.

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Maximum amount of credit before collateral must be posted by a guarantor under the standard supply master agreement.

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No definition available.

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- Definition

Amounts expected to be recovered under the terms of insurance contracts recorded in other operation and maintenance on the statement of financial performance.

+ References

No definition available.

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Costs billed to the company from a services affiliate. These costs include direct costs that are specifically related to the company or, for general costs that cannot be directly attributed, they are charged based on predetermined allocation factors and costs incurred where the service company has made a "convenience" payment on behalf of the company.

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No definition available.

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- Definition

Maximum loan capacity under the revolving demand note agreement with an affiliate of the reporting entity.

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No definition available.

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Revenues, net of returns and allowances, realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the reporting period.

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No definition available.

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Costs allocated to the company from a services affiliate. These costs include direct costs that are specifically related to the company or, for general costs that cannot be directly attributed, they are charged based on predetermined allocation factors.

+ References

No definition available.

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Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

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

-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

-Paragraph 17

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-Paragraph 1

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- Definition

Costs incurred and are directly related to generating license revenue. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark.

+ References

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-Paragraph 2

-Subparagraph (SX 210.5-03.2(e))

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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).

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For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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-Publisher FASB

-Name Accounting Standards Codification

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-Publisher SEC

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-Glossary Related Parties

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Expenses recognized during the period resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

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Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				12 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended					3 Months Ended		6 Months Ended
	Jun. 30, 2011 PPL Energy Supply LLC [Member]	Jun. 30, 2011 PPL Energy Supply LLC [Member]	Jun. 30, 2012 PPL Energy Supply LLC [Member]	Dec. 31, 2011 PPL Energy Supply LLC [Member]	Jun. 30, 2012 PPL Energy Supply LLC [Member] PPL Electric [Member]	Jun. 30, 2011 PPL Energy Supply LLC [Member] PPL Electric [Member]	Jun. 30, 2012 PPL Energy Supply LLC [Member] PPL Electric [Member]	Jun. 30, 2011 PPL Energy Supply LLC [Member] PPL Electric [Member]	Jun. 30, 2012 PPL Energy Supply LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2011 PPL Energy Supply LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2012 PPL Energy Supply LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2011 PPL Energy Supply LLC [Member] Services Company Affiliate [Member]	Dec. 31, 2011 PPL Energy Supply LLC [Member] PPL Energy Funding [Member]	Jun. 30, 2012 PPL Electric Utilities Corp [Member] PPL Energy Supply [Member]	Jun. 30, 2011 PPL Electric Utilities Corp [Member] PPL Energy Supply [Member]	Jun. 30, 2012 PPL Electric Utilities Corp [Member] PPL Energy Supply [Member]	Jun. 30, 2011 PPL Electric Utilities Corp [Member] PPL Energy Supply [Member]	Jun. 30, 2012 PPL Electric Utilities Corp [Member] Services Company Affiliate [Member]	Jun. 30, 2011 PPL Electric Utilities Corp [Member] Services Company Affiliate [Member]	Jun. 30, 2012 PPL Electric Utilities Corp [Member] Services Company Affiliate [Member]	Jun. 30, 2011 PPL Electric Utilities Corp [Member] Services Company Affiliate [Member]	Jun. 30, 2011 PPL Electric Utilities Corp [Member] PPL Power Insurance [Member]	Jun. 30, 2012 LG And E And KU Energy LLC [Member]	Dec. 31, 2011 LG And E And KU Energy LLC [Member]	Jun. 30, 2012 LG And E And KU Energy LLC [Member] PPL Energy Supply [Member]	Jun. 30, 2012 LG And E And KU Energy LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2011 LG And E And KU Energy LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2012 LG And E And KU Energy LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2011 LG And E And KU Energy LLC [Member] Services Company Affiliate [Member]	Jun. 30, 2012 Louisville Gas And Electric Co [Member]	Dec. 31, 2011 Louisville Gas And Electric Co [Member]	Jun. 30, 2012 Louisville Gas And Electric Co [Member] Services Company Affiliate [Member]	Jun. 30, 2011 Louisville Gas And Electric Co [Member] Services Company Affiliate [Member]	Jun. 30, 2012 Louisville Gas And Electric Co [Member] Services Company Affiliate [Member]	Jun. 30, 2011 Louisville Gas And Electric Co [Member] Services Company Affiliate [Member]	Jun. 30, 2012 Louisville Gas And Electric Co [Member] Parent And Affiliate [Member]	Jun. 30, 2012 Kentucky Utilities Co [Member]	Dec. 31, 2011 Kentucky Utilities Co [Member]	Jun. 30, 2012 Kentucky Utilities Co [Member] Services Company Affiliate [Member]	Jun. 30, 2011 Kentucky Utilities Co [Member] Services Company Affiliate [Member]	Jun. 30, 2012 Kentucky Utilities Co [Member] Services Company Affiliate [Member]	Jun. 30, 2011 Kentucky Utilities Co [Member] Services Company Affiliate [Member]	Jun. 30, 2012 Kentucky Utilities Co [Member] Parent And Affiliate [Member]
PLR Contracts/Purchase of Accounts Receivable (Numeric) [Abstract]
Sales of energy supply from affiliates					$ 16	$ 4	$ 38	$ 10
Purchases of energy supply from affiliates														16	4	38	10
Credit limit with affiliate under a Master Supply Agreement							35
Credit exposure with affiliate under a Master Supply Agreement							38
Allocations of Corporate Service Costs (Details) [Abstract]
Service cost allocations from parent to subsidiary									53	44	110	94						39	35	81	74					3	4	8	9
Intercompany Billings by LKS (Details) [Abstract]
Intercompany billings between affiliates																																40	50	81	83				35	55	81	104
Intercompany Borrowings (Numeric) [Abstract]
Notes receivable from affiliates			0	198																			12	15						6	0
Intercompany borrowings demand note rate on outstanding borrowing													3.77%										2.24%	2.27%												0.48%							0.48%
Notes payable to affiliates																																					6	0
Intercompany note with affiliate maximum borrowing capacity																							300		300											500							500
Trademark Royalties (Numeric) [Abstract]
Trademark royalty license expense	10	20
Intercompany Insurance (Numeric) [Abstract]
Probable recoveries on insurance claims																						15
Probable recoveries on insurance claims recorded in other operation and maintenance																						$ 9