Available-for-Sale Securities (Tables)

6 Months Ended

Jun. 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.

					June 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			$	14					$	14	$	12					$	12
		Equity securities:
			U.S. large-cap			178	$	139				317		173	$	119				292
			U.S. mid/small-cap			69		58				127		67		50				117
		Debt securities:
			U.S. Treasury			86		10				96		76		10				86
			U.S. government sponsored
				agency		9		1				10		9		1				10
			Municipality			77		5	$	1		81		80		4	$	1		83
			Investment-grade corporate			32		3				35		35		3				38
			Other			2						2		2						2
		Receivables/payables, net				(1)						(1)
		Total NDT funds				466		216		1		681		454		187		1		640
	Auction rate securities					20				2		18		25				1		24
	Total				$	486	$	216	$	3	$	699	$	479	$	187	$	2	$	664

PPL Energy Supply
	NDT funds:
		Cash and cash equivalents			$	14					$	14	$	12					$	12
		Equity securities:
			U.S. large-cap			178	$	139				317		173	$	119				292
			U.S. mid/small-cap			69		58				127		67		50				117
		Debt securities:
			U.S. Treasury			86		10				96		76		10				86
			U.S. government sponsored
				agency		9		1				10		9		1				10
			Municipality			77		5	$	1		81		80		4	$	1		83
			Investment-grade corporate			32		3				35		35		3				38
			Other			2						2		2						2
		Receivables/payables, net				(1)						(1)
		Total NDT funds				466		216		1		681		454		187		1		640
	Auction rate securities					17				2		15		20				1		19
	Total				$	483	$	216	$	3	$	696	$	474	$	187	$	2	$	659

Scheduled Maturity Dates of Debt Securities

The following table shows the scheduled maturity dates of debt securities held at June 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	$	5	$	84	$	61	$	76	$	226
Fair value		5		87		67		83		242

PPL Energy Supply
Amortized cost	$	5	$	84	$	61	$	73	$	223
Fair value		5		87		67		80		239

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 June 30.

	Three Months				Six Months
	2012		2011		2012		2011
PPL
Proceeds from sales of NDT securities (a)	$	45	$	25	$	79	$	100
Other proceeds from sales		5				5		163
Gross realized gains (b)		8		6		13		23
Gross realized losses (b)		5		6		6		11

PPL Energy Supply
Proceeds from sales of NDT securities (a)	$	45	$	25	$	79	$	100
Other proceeds from sales		3				3
Gross realized gains (b)		8		6		13		23
Gross realized losses (b)		5		6		6		11

(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]