Supplementary Financial Information (Tables)

9 Months Ended

Sep. 30, 2013

Supplementary Financial Information [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

Other Income

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Other income:
Consent fee related to novation of hedge positions between counterparties	$	—	$	—	$	—	$	6
Insurance/litigation settlements	—		—		2		2
All other	1		2		5		4
Total other income	$	1	$	2	$	7	$	12
Other deductions:
Impairment of mineral interests	$	—	$	24	$	—	$	24
Other asset impairments	3		—		3		—
Counterparty contract settlement	—		4		—		4
Other	5		2		9		9
Total other deductions	$	8	$	30	$	12	$	37

Schedule of interest expense and related charges

Interest Expense and Related Charges

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Interest paid/accrued (including net amounts settled/accrued under interest rate swaps)	$	688		$	647		$	2,042		$	1,938
Interest related to pushed down debt	1			19			5			57
Interest payable with additional toggle notes (Note 5)	—			47			—			136
Unrealized mark-to-market net (gain) loss on interest rate swaps	(413		)	20			(899		)	16
Amortization of interest rate swap losses at dedesignation of hedge accounting	2			2			6			7
Amortization of fair value debt discounts resulting from purchase accounting	3			3			8			8
Amortization of debt issuance, amendment and extension costs and discounts	64			45			195			137
Capitalized interest	(5		)	(11		)	(19		)	(31		)
Total interest expense and related charges	$	340		$	772		$	1,338		$	2,268

Schedule of inventories by major category

Inventories by Major Category

	September 30, 2013		December 31, 2012
Materials and supplies	$	216	$	201
Fuel stock	155		168
Natural gas in storage	29		24
Total inventories	$	400	$	393

Summary of other investments

Investments

	September 30, 2013		December 31, 2012
Nuclear plant decommissioning trust	$	737	$	654
Assets related to employee benefit plans, including employee savings programs, net of distributions	1		8
Land	40		41
Miscellaneous other	9		7
Total investments	$	787	$	710

Summary of investments in the fund

A summary of investments in the fund follows:

	September 30, 2013
	Cost (a)		Unrealized gain		Unrealized loss			Fair market value
Debt securities (b)	$	261	$	9	$	(4	)	$	266
Equity securities (c)	252		227		(8		)	471
Total	$	513	$	236	$	(12	)	$	737

	December 31, 2012
	Cost (a)		Unrealized gain		Unrealized loss			Fair market value
Debt securities (b)	$	246	$	16	$	(1	)	$	261
Equity securities (c)	245		161		(13		)	393
Total	$	491	$	177	$	(14	)	$	654

____________

(a) Includes realized gains and losses on securities sold.

(b) The investment objective for debt securities is to invest in a diversified tax efficient portfolio with an overall portfolio rating of AA or above as graded by S&P or Aa2 by Moody's Investors Services, Inc. The debt securities are heavily weighted with municipal bonds. The debt securities had an average coupon rate of 3.97% and 4.38% at September 30, 2013 and December 31, 2012, respectively, and an average maturity of 6 years at both September 30, 2013 and December 31, 2012.

(c) The investment objective for equity securities is to invest tax efficiently and to match the performance of the S&P 500 Index.

Summary of proceeds from sales of available-for-sale securities and the related realized gains and losses from such sales

The following table summarizes proceeds from sales of available-for-sale securities and the related realized gains and losses from such sales.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Realized gains	$	1		$	—		$	2		$	1
Realized losses	$	(3	)	$	(1	)	$	(3	)	$	(2	)
Proceeds from sales of securities	$	23		$	25		$	128		$	56
Investments in securities	$	(28	)	$	(30	)	$	(140	)	$	(68	)

Property, Plant and Equipment

Property, Plant and Equipment

At September 30, 2013 and December 31, 2012, property, plant and equipment of $18.0 billion and $18.6 billion, respectively, is stated net of accumulated depreciation and amortization of $7.7 billion and $6.8 billion, respectively.

Schedule of asset retirement and mining reclamation obligations

The following table summarizes the changes to these obligations, reported in other current liabilities and other noncurrent liabilities and deferred credits in the balance sheet, for the nine months ended September 30, 2013:

	Nuclear Plant Decommissioning		Mining Land Reclamation			Other			Total
Liability at December 31, 2012	$	368	$	135		$	33		$	536
Additions:
Accretion	17		23			1			41
Reductions:
Payments	—		(72		)	(1		)	(73		)
Liability at September 30, 2013	385		86			33			504
Less amounts due currently	—		(60		)	—			(60		)
Noncurrent liability at September 30, 2013	$	385	$	26		$	33		$	444

Schedule of other noncurrent liabilities and deferred credits

The balance of other noncurrent liabilities and deferred credits consists of the following:

	September 30, 2013		December 31, 2012
Uncertain tax positions (including accrued interest)	$	384	$	1,250
Asset retirement and mining reclamation obligations	444		452
Unfavorable purchase and sales contracts	596		620
Nuclear decommissioning cost over-recovery (Note 11)	352		284
Other, including retirement and other employee benefits	17		37
Total other noncurrent liabilities and deferred credits	$	1,793	$	2,643

Schedule of estimated amortization of unfavorable purchase and sales contracts for each of the next five fiscal years

The estimated amortization of unfavorable purchase and sales contracts for each of the next five fiscal years is as follows:

Year	Amount
2013	$	25
2014	$	24
2015	$	23
2016	$	23
2017	$	23

Schedule of supplemental cash flow information

Supplemental Cash Flow Information

	Nine Months Ended September 30,
	2013			2012
Cash payments (receipts) related to:
Interest paid (a)	$	1,901		$	1,788
Capitalized interest	(19		)	(31		)
Interest paid (net of capitalized interest) (a)	$	1,882		$	1,757
Income taxes	$	134		$	83
Noncash investing and financing activities:
Effect of Parent's payment of interest, net of tax, on pushed down debt	$	21		$	30
Principal amount of TCEH Toggle Notes issued in lieu of cash interest	$	—		$	88
Construction expenditures (b)	$	62		$	52
Contribution related to EFH Corp. stock-based compensation	$	1		$	6
Debt assumed related to acquisition of combustion turbine trust interest	$	(45	)	$	—
Effect of push down of debt from parent	$	(420	)	$	—
Debt extension transactions	$	(340	)	$	—

____________

(a) Net of amounts received under interest rate swap agreements.

(b) Represents end-of-period accruals.