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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Summary Of Significant Accounting Policies [Line Items]

For the years ended December 31, the Statements of Income "Utility" line item contains rate-regulated revenue from the following:

			2013		2012		2011
Domestic electric and gas revenue (a)		$	4,842	$	4,519	$	4,674
U.K. electric revenue (b)			2,359		2,289		1,618
	Total	$	7,201	$	6,808	$	6,292

(a) Represents revenue from regulated generation, transmission and/or distribution in Pennsylvania, Kentucky, Virginia and Tennessee, including regulated wholesale revenue.

(b) Represents electric distribution revenue from the operation of WPD's distribution networks. 2011 includes eight months of revenue for WPD Midlands.

Schedule of Valuation and Qualifying Accounts Disclosure

The changes in the allowance for doubtful accounts were:

			Additions
	Balance at					Charged to						Balance at
	Beginning of Period		Charged to Income			Other Accounts			Deductions (a)			End of Period
PPL
2013	$	64	$	39		$	4	(d)	$	43		$	64
2012		54		55	(b)					45			64
2011		55		65	(b)					66	(c)		54

PPL Energy Supply
2013	$	23	$	1					$	3		$	21
2012		15		12	(b)					4			23
2011		20		14	(b)					19	(c)		15

PPL Electric
2013	$	18	$	32					$	32		$	18
2012		17		32						31			18
2011		17		33						33			17


LKE
2013	$	19	$	4	$	4	(d)	$	5	$	22
2012		17		9					7		19
2011		17		15					15		17

LG&E
2013	$	1	$	2	$	1	(d)	$	2	$	2
2012		2		2					3		1
2011		2		5					5		2

KU
2013	$	2	$	3	$	3	(d)	$	4	$	4
2012		2		4					4		2
2011		6		6					10		2

(a) Primarily related to uncollectible accounts written off.

(b) Includes amounts related to the SMGT bankruptcy. See Note 15 for additional information.

(c) Includes amounts related to the June 2011, FERC approved settlement agreement between PPL and the California ISO related to the sales made to the California ISO during the period October 2000 through June 2001 that were not paid to PPL subsidiaries. Therefore, the receivable and the related allowance for doubtful accounts were reversed and the settlement recorded.

(d) Primarily related to capital projects, thus the provision was recorded as an adjustment to construction work in progress.

Schedule of Restricted Cash and Cash Equivalents

At December 31, the balances of restricted cash and cash equivalents included the following.

			PPL				PPL Energy Supply				PPL Electric				LKE				LG&E
			2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Margin deposits posted to
	counterparties		$	67	$	43	$	67	$	43
Cash collateral posted to
	counterparties			22		32									$	22	$	32	$	22	$	32
Low carbon network fund (a)				27		14
Funds deposited with a trustee (b)				12		13					$	12	$	13
Ironwood debt service reserves				17		17		17		17
Other				11		16		1		3
		Total	$	156	$	135	$	85	$	63	$	12	$	13	$	22	$	32	$	22	$	32

(a) Funds received by WPD, which are to be spent on approved initiatives to support a low carbon environment.

(b) Funds deposited with a trustee to defease PPL Electric's 1945 First Mortgage Bonds.

Capitalized Interest Costs

Capitalized interest, excluding AFUDC for PPL, is as follows.

Weighted-average Rates of Depreciation

Following are the weighted-average rates of depreciation at December 31.

	2013
			PPL
			Energy		PPL
	PPL		Supply		Electric		LKE		LG&E		KU

Regulated utility plant		2.94				2.61		4.07		4.52		3.77
Non-regulated PP&E - Generation		3.10		3.10

	2012
			PPL
			Energy		PPL
	PPL		Supply		Electric		LKE		LG&E		KU

Regulated utility plant		3.12				2.57		4.39		4.91		4.06
Non-regulated PP&E - Generation		3.05		3.05

Schedule of Utility Inventory

"Fuel, materials and supplies" on the Balance Sheets consisted of the following at December 31.

	PPL				PPL Energy Supply				LKE				LG&E				KU
	2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Fuel	$	305	$	284	$	163	$	135	$	141	$	149	$	64	$	61	$	77	$	88
Natural gas stored underground (a)		49		50		2		8		48		42		48		42
Materials and supplies		348		339		193		184		89		85		42		39		47		46
	$	702	$	673	$	358	$	327	$	278	$	276	$	154	$	142	$	124	$	134

(a) The majority of LKE's and LG&E's natural gas stored underground is held to serve retail customers. The majority of PPL Energy Supply's natural gas stored underground is available for resale.

PPL Energy Supply LLC [Member]

Summary Of Significant Accounting Policies [Line Items]

Schedule of Restricted Cash and Cash Equivalents

At December 31, the balances of restricted cash and cash equivalents included the following.

			PPL				PPL Energy Supply				PPL Electric				LKE				LG&E
			2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Margin deposits posted to
	counterparties		$	67	$	43	$	67	$	43
Cash collateral posted to
	counterparties			22		32									$	22	$	32	$	22	$	32
Low carbon network fund (a)				27		14
Funds deposited with a trustee (b)				12		13					$	12	$	13
Ironwood debt service reserves				17		17		17		17
Other				11		16		1		3
		Total	$	156	$	135	$	85	$	63	$	12	$	13	$	22	$	32	$	22	$	32

(a) Funds received by WPD, which are to be spent on approved initiatives to support a low carbon environment.

(b) Funds deposited with a trustee to defease PPL Electric's 1945 First Mortgage Bonds.

Capitalized Interest Costs

PPL Energy Supply capitalizes interest costs as part of construction costs. Capitalized interest, excluding AFUDC for PPL, is as follows.

Intercompany tax receivables (payables)

At December 31, the following intercompany tax receivables (payables) were recorded.

	2013		2012

PPL Energy Supply	$	44	$	(38)
PPL Electric		(19)		22
LKE		(28)		(12)
LG&E		(8)		5
KU		(27)		(15)

Schedule of Utility Inventory

"Fuel, materials and supplies" on the Balance Sheets consisted of the following at December 31.

	PPL				PPL Energy Supply				LKE				LG&E				KU
	2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Fuel	$	305	$	284	$	163	$	135	$	141	$	149	$	64	$	61	$	77	$	88
Natural gas stored underground (a)		49		50		2		8		48		42		48		42
Materials and supplies		348		339		193		184		89		85		42		39		47		46
	$	702	$	673	$	358	$	327	$	278	$	276	$	154	$	142	$	124	$	134

(a) The majority of LKE's and LG&E's natural gas stored underground is held to serve retail customers. The majority of PPL Energy Supply's natural gas stored underground is available for resale.

PPL Electric Utilities Corp [Member]

Summary Of Significant Accounting Policies [Line Items]

Schedule of Restricted Cash and Cash Equivalents

At December 31, the balances of restricted cash and cash equivalents included the following.

			PPL				PPL Energy Supply				PPL Electric				LKE				LG&E
			2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Margin deposits posted to
	counterparties		$	67	$	43	$	67	$	43
Cash collateral posted to
	counterparties			22		32									$	22	$	32	$	22	$	32
Low carbon network fund (a)				27		14
Funds deposited with a trustee (b)				12		13					$	12	$	13
Ironwood debt service reserves				17		17		17		17
Other				11		16		1		3
		Total	$	156	$	135	$	85	$	63	$	12	$	13	$	22	$	32	$	22	$	32

(a) Funds received by WPD, which are to be spent on approved initiatives to support a low carbon environment.

(b) Funds deposited with a trustee to defease PPL Electric's 1945 First Mortgage Bonds.

Intercompany tax receivables (payables)

At December 31, the following intercompany tax receivables (payables) were recorded.

	2013		2012

PPL Energy Supply	$	44	$	(38)
PPL Electric		(19)		22
LKE		(28)		(12)
LG&E		(8)		5
KU		(27)		(15)

LG And E And KU Energy LLC [Member]

Summary Of Significant Accounting Policies [Line Items]

Schedule of Restricted Cash and Cash Equivalents

At December 31, the balances of restricted cash and cash equivalents included the following.

			PPL				PPL Energy Supply				PPL Electric				LKE				LG&E
			2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Margin deposits posted to
	counterparties		$	67	$	43	$	67	$	43
Cash collateral posted to
	counterparties			22		32									$	22	$	32	$	22	$	32
Low carbon network fund (a)				27		14
Funds deposited with a trustee (b)				12		13					$	12	$	13
Ironwood debt service reserves				17		17		17		17
Other				11		16		1		3
		Total	$	156	$	135	$	85	$	63	$	12	$	13	$	22	$	32	$	22	$	32

(a) Funds received by WPD, which are to be spent on approved initiatives to support a low carbon environment.

(b) Funds deposited with a trustee to defease PPL Electric's 1945 First Mortgage Bonds.

Intercompany tax receivables (payables)

At December 31, the following intercompany tax receivables (payables) were recorded.

	2013		2012

PPL Energy Supply	$	44	$	(38)
PPL Electric		(19)		22
LKE		(28)		(12)
LG&E		(8)		5
KU		(27)		(15)

Schedule of Utility Inventory

"Fuel, materials and supplies" on the Balance Sheets consisted of the following at December 31.

	PPL				PPL Energy Supply				LKE				LG&E				KU
	2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Fuel	$	305	$	284	$	163	$	135	$	141	$	149	$	64	$	61	$	77	$	88
Natural gas stored underground (a)		49		50		2		8		48		42		48		42
Materials and supplies		348		339		193		184		89		85		42		39		47		46
	$	702	$	673	$	358	$	327	$	278	$	276	$	154	$	142	$	124	$	134

(a) The majority of LKE's and LG&E's natural gas stored underground is held to serve retail customers. The majority of PPL Energy Supply's natural gas stored underground is available for resale.

Louisville Gas And Electric Co [Member]

Summary Of Significant Accounting Policies [Line Items]

Schedule of Restricted Cash and Cash Equivalents

At December 31, the balances of restricted cash and cash equivalents included the following.

			PPL				PPL Energy Supply				PPL Electric				LKE				LG&E
			2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Margin deposits posted to
	counterparties		$	67	$	43	$	67	$	43
Cash collateral posted to
	counterparties			22		32									$	22	$	32	$	22	$	32
Low carbon network fund (a)				27		14
Funds deposited with a trustee (b)				12		13					$	12	$	13
Ironwood debt service reserves				17		17		17		17
Other				11		16		1		3
		Total	$	156	$	135	$	85	$	63	$	12	$	13	$	22	$	32	$	22	$	32

(a) Funds received by WPD, which are to be spent on approved initiatives to support a low carbon environment.

(b) Funds deposited with a trustee to defease PPL Electric's 1945 First Mortgage Bonds.

Intercompany tax receivables (payables)

At December 31, the following intercompany tax receivables (payables) were recorded.

	2013		2012

PPL Energy Supply	$	44	$	(38)
PPL Electric		(19)		22
LKE		(28)		(12)
LG&E		(8)		5
KU		(27)		(15)

Schedule of Utility Inventory

"Fuel, materials and supplies" on the Balance Sheets consisted of the following at December 31.

	PPL				PPL Energy Supply				LKE				LG&E				KU
	2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Fuel	$	305	$	284	$	163	$	135	$	141	$	149	$	64	$	61	$	77	$	88
Natural gas stored underground (a)		49		50		2		8		48		42		48		42
Materials and supplies		348		339		193		184		89		85		42		39		47		46
	$	702	$	673	$	358	$	327	$	278	$	276	$	154	$	142	$	124	$	134

(a) The majority of LKE's and LG&E's natural gas stored underground is held to serve retail customers. The majority of PPL Energy Supply's natural gas stored underground is available for resale.

Kentucky Utilities Co [Member]

Summary Of Significant Accounting Policies [Line Items]

Intercompany tax receivables (payables)

At December 31, the following intercompany tax receivables (payables) were recorded.

	2013		2012

PPL Energy Supply	$	44	$	(38)
PPL Electric		(19)		22
LKE		(28)		(12)
LG&E		(8)		5
KU		(27)		(15)

Schedule of Utility Inventory

"Fuel, materials and supplies" on the Balance Sheets consisted of the following at December 31.

	PPL				PPL Energy Supply				LKE				LG&E				KU
	2013		2012		2013		2012		2013		2012		2013		2012		2013		2012

Fuel	$	305	$	284	$	163	$	135	$	141	$	149	$	64	$	61	$	77	$	88
Natural gas stored underground (a)		49		50		2		8		48		42		48		42
Materials and supplies		348		339		193		184		89		85		42		39		47		46
	$	702	$	673	$	358	$	327	$	278	$	276	$	154	$	142	$	124	$	134

(a) The majority of LKE's and LG&E's natural gas stored underground is held to serve retail customers. The majority of PPL Energy Supply's natural gas stored underground is available for resale.

Energy Supply