Goodwill And Identifiable Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table provides information regarding our goodwill balance, all of which arose in connection with accounting for the Merger. None of the goodwill is being deducted for tax purposes.

Goodwill before impairment charges	$	18,322
Accumulated noncash impairment charges	(15,970		)
Balance at December 31, 2014	2,352
Additional noncash impairment charges in 2015	(1,400		)
Balance at September 30, 2015 (a)	$	952

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(a) Net of accumulated impairment charges totaling $17.37 billion.

Schedule of identifiable intangible assets reported in the balance sheet

Identifiable intangible assets, including amounts that arose in connection with accounting for the Merger, are comprised of the following:

	September 30, 2015						December 31, 2014
Identifiable Intangible Asset	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Retail customer relationship	$	463	$	438	$	25	$	463	$	425	$	38
Software and other technology-related assets	375		218		157		369		202		167
Other identifiable intangible assets (a)	58		27		31		460		291		169
Total identifiable intangible assets subject to amortization	$	896	$	683	213		$	1,292	$	918	374
Retail trade name (not subject to amortization)					955						955
Mineral interests (not currently subject to amortization)					6						7
Total identifiable intangible assets					$	1,174					$	1,336

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(a) See discussion below regarding impairment charges recorded in the three and nine months ended September 30, 2015 related to other identifiable intangible assets.

Schedule of amortization expense related to intangible assets (including income statement line item)

Amortization expense related to finite-lived identifiable intangible assets (including the condensed statements of consolidated income (loss) line item) consisted of:

Identifiable Intangible Asset	Condensed Statement of Consolidated Income (Loss) Line	Three Months Ended September 30,				Nine Months Ended September 30,
		2015		2014		2015		2014
Retail customer relationship	Depreciation and amortization	$	4	$	6	$	13	$	17
Software and other technology-related assets	Depreciation and amortization	17		15		45		45
Other identifiable intangible assets	Operating revenues/fuel, purchased power costs and delivery fees/depreciation and amortization	9		19		21		56
Total amortization expense (a)		$	30	$	40	$	79	$	118

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(a) Amounts recorded in depreciation and amortization totaled $24 million and $29 million for the three months ended September 30, 2015 and 2014, respectively, and $64 million and $87 million for the nine months ended September 30, 2015 and 2014, respectively.

Schedule of estimated aggregate amortization expense of intangible assets for each of the next five fiscal years

The estimated aggregate amortization expense of identifiable intangible assets for each of the next five fiscal years is as follows:

Year	Estimated Amortization Expense
2015	$	96
2016	$	66
2017	$	53
2018	$	30
2019	$	16