Available-for-Sale Securities (Tables)

9 Months Ended

Sep. 30, 2011

Notes To Financial Statements [Abstract]

Available-for-Sale Securities

The following table shows the amortized cost, the gross unrealized gains and losses recorded in AOCI, and the fair value of available-for-sale securities.

						September 30, 2011								December 31, 2010
								Gross		Gross						Gross		Gross
						Amortized		Unrealized		Unrealized				Amortized		Unrealized		Unrealized
						Cost		Gains		Losses		Fair Value		Cost		Gains		Losses	Fair Value
PPL
	Short-term investments
		- municipal debt securities												$	163				$	163
	NDT funds:
			Cash and cash equivalents			$	13					$	13		10					10
			Equity securities:
				U.S. large-cap			170	$	90				260		180	$	123			303
				U.S. mid/small-cap			67		37				104		67		52			119
			Debt securities:
				U.S. Treasury			72		10				82		71		4			75
				U.S. government sponsored
					agency		10		1				11		6		1			7
				Municipality			79		4	$	1		82		69					69
				Investment-grade corporate			34		3				37		31		2			33
				Other			3						3		1					1
			Receivables/payables, net				2						2		1					1
			Total NDT funds				450		145		1		594		436		182			618
	Auction rate securities						25				1		24		25					25
	Total					$	475	$	145	$	2	$	618	$	624	$	182		$	806
PPL Energy Supply
	NDT funds:
			Cash and cash equivalents			$	13					$	13	$	10				$	10
			Equity securities:
				U.S. large-cap			170	$	90				260		180	$	123			303
				U.S. mid/small-cap			67		37				104		67		52			119
			Debt securities:
				U.S. Treasury			72		10				82		71		4			75
				U.S. government sponsored
					agency		10		1				11		6		1			7
				Municipality			79		4	$	1		82		69					69
				Investment-grade corporate			34		3				37		31		2			33
				Other			3						3		1					1
			Receivables/payables, net				2						2		1					1
			Total NDT funds				450		145		1		594		436		182			618
	Auction rate securities						20				1		19		20					20
	Total					$	470	$	145	$	2	$	613	$	456	$	182		$	638

LKE and LG&E
	Short-term investments
		- municipal debt securities	$	163	$	163

The following table shows the scheduled maturity dates of debt securities held at September 30, 2011.

	Maturity		Maturity		Maturity		Maturity
	Less Than		1-5		5-10		in Excess
	1 Year		Years		Years		of 10 Years		Total
PPL
Amortized cost	$	10	$	70	$	64	$	79	$	223
Fair value		10		73		70		86		239
PPL Energy Supply
Amortized cost	$	10	$	70	$	64	$	74	$	218
Fair value		10		73		70		81		234

Proceeds from AFS securities

The following table shows proceeds from and realized gains and losses on sales of available-for-sale securities for theperiods ended September 30.

	Three Months				Nine Months
	2011		2010		2011		2010
PPL
Proceeds from sales of NDT securities (a)	$	34	$	15	$	134	$	83
Other proceeds from sales						163
Gross realized gains (b)		3		2		26		11
Gross realized losses (b)		4		1		15		4
PPL Energy Supply
Proceeds from sales of NDT securities (a)	$	34	$	15	$	134	$	83
Gross realized gains (b)		3		2		26		11
Gross realized losses (b)		4		1		15		4

(a)       These proceeds are used to pay income taxes and fees related to managing the trust. Remaining proceeds are reinvested in the trust.

(b)       Excludes the impact of other-than-temporary impairment charges recognized in the Statements of Income.