Available-for-Sale Securities (Tables)

3 Months Ended

Mar. 31, 2015

Available-for-Sale Securities [Line Items]

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.

			March 31, 2015								December 31, 2014
					Gross		Gross						Gross		Gross
			Amortized		Unrealized		Unrealized				Amortized		Unrealized		Unrealized
			Cost		Gains		Losses		Fair Value		Cost		Gains		Losses		Fair Value
NDT funds:
		Cash and cash equivalents	$	20					$	20	$	19					$	19
		Equity securities		287	$	426				713		283	$	417				700
		Debt securities		218		12	$	1		229		218		11				229
		Receivables/payables, net		3						3		2						2
		Total NDT funds	$	528	$	438	$	1	$	965	$	522	$	428			$	950
Auction rate securities
	PPL		$	11			$	1	$	10	$	11			$	1	$	10

Scheduled Maturity Dates of Debt Securities

The following table shows the scheduled maturity dates of debt securities held at March 31, 2015.

	Maturity		Maturity		Maturity		Maturity
	Less Than		1-5		6-10		in Excess
	1 Year		Years		Years		of 10 Years		Total
Amortized cost	$	11	$	82	$	67	$	69	$	229
Fair value		11		84		70		74		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 March 31.

	Three Months
	2015		2014
Proceeds from sales of NDT securities (a)	$	38	$	27
Other proceeds from sales				3
Gross realized gains (b)		5		3
Gross realized losses (b)		3		1

(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 on the Statements of Income.