Available-for-Sale Securities (Tables)

9 Months Ended

Sep. 30, 2012

Available-for-Sale Securities [Line Items]

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, 2012								December 31, 2011
							Gross		Gross						Gross		Gross
					Amortized		Unrealized		Unrealized				Amortized		Unrealized		Unrealized
					Cost		Gains		Losses		Fair Value		Cost		Gains		Losses		Fair Value
PPL
	NDT funds:
		Cash and cash equivalents			$	12					$	12	$	12					$	12
		Equity securities:
			U.S. large-cap			219	$	193				412		211	$	146				357
			U.S. mid/small-cap			30		29				59		29		23				52
		Debt securities:
			U.S. Treasury			85		10				95		76		10				86
			U.S. government sponsored
				agency		8		1				9		9		1				10
			Municipality			79		5	$	1		83		80		4	$	1		83
			Investment-grade corporate			36		4				40		35		3				38
			Other			2						2		2						2
		Receivables/payables, net				(1)						(1)
		Total NDT funds				470		242		1		711		454		187		1		640
	Auction rate securities					20				1		19		25				1		24
	Total				$	490	$	242	$	2	$	730	$	479	$	187	$	2	$	664

PPL Energy Supply
	NDT funds:
		Cash and cash equivalents			$	12					$	12	$	12					$	12
		Equity securities:
			U.S. large-cap			219	$	193				412		211	$	146				357
			U.S. mid/small-cap			30		29				59		29		23				52
		Debt securities:
			U.S. Treasury			85		10				95		76		10				86
			U.S. government sponsored
				agency		8		1				9		9		1				10
			Municipality			79		5	$	1		83		80		4	$	1		83
			Investment-grade corporate			36		4				40		35		3				38
			Other			2						2		2						2
		Receivables/payables, net				(1)						(1)
		Total NDT funds				470		242		1		711		454		187		1		640
	Auction rate securities					17				1		16		20				1		19
	Total				$	487	$	242	$	2	$	727	$	474	$	187	$	2	$	659

Scheduled Maturity Dates of Debt Securities

There were no securities with credit losses at September 30, 2012 and December 31, 2011.

The following table shows the scheduled maturity dates of debt securities held at September 30, 2012.

	Maturity		Maturity		Maturity		Maturity
	Less Than		1-5		5-10		in Excess
	1 Year		Years		Years		of 10 Years		Total
PPL
Amortized cost	$	11	$	81	$	61	$	77	$	230
Fair value		11		85		67		85		248

PPL Energy Supply
Amortized cost	$	11	$	81	$	61	$	74	$	227
Fair value		11		85		67		82		245

Proceeds From and Realized Gains and Losses on Sales of Available-for-sale Securities

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

	Three Months				Nine Months
	2012		2011		2012		2011
PPL
Proceeds from sales of NDT securities (a)	$	23	$	34	$	102	$	134
Other proceeds from sales						5		163
Gross realized gains (b)		2		3		15		26
Gross realized losses (b)		2		4		8		15

PPL Energy Supply
Proceeds from sales of NDT securities (a)	$	23	$	34	$	102	$	134
Other proceeds from sales						3
Gross realized gains (b)		2		3		15		26
Gross realized losses (b)		2		4		8		15

(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.

PPL Energy Supply LLC [Member]