Goodwill and Identifiable Intangible Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of identifiable intangible assets

Identifiable intangible assets are comprised of the following:

	June 30, 2023						December 31, 2022
Identifiable Intangible Asset	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Retail customer relationships	$	2,088	$	1,817	$	271	$	2,088	$	1,768	$	320
Software and other technology-related assets	507		286		221		475		258		217
Retail and wholesale contracts	233		215		18		233		209		24
LTSA	18		5		13		18		4		14
Other identifiable intangible assets (a)	59		11		48		50		8		42
Total identifiable intangible assets subject to amortization	$	2,905	$	2,334	571		$	2,864	$	2,247	617
Retail trade names (not subject to amortization)					1,341						1,341
Total identifiable intangible assets					$	1,912					$	1,958

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(a)Includes mining development costs and environmental allowances (emissions allowances and renewable energy certificates).

Schedule of identifiable intangible liabilities

Identifiable intangible liabilities are comprised of the following:

Identifiable Intangible Liability	June 30, 2023		December 31, 2022
LTSA	$	123	$	128
Fuel and transportation purchase contracts	9		9
Other identifiable intangible liabilities	1		3
Total identifiable intangible liabilities	$	133	$	140

Schedule of amortization expense related to intangible assets and liabilities

Expense related to finite-lived identifiable intangible assets (including the classification in the condensed consolidated statements of operations) consisted of:

Identifiable Intangible Assets	Condensed Consolidated Statements of Operations	Three Months Ended June 30,				Six Months Ended June 30,
		2023		2022		2023		2022
Retail customer relationships	Depreciation and amortization	$	21	$	34	$	49	$	68
Software and other technology-related assets	Depreciation and amortization	15		18		29		36
Retail and wholesale contracts	Operating revenues/fuel, purchased power costs and delivery fees	2		3		4		5
Other identifiable intangible assets	Fuel, purchased power costs and delivery fees	76		98		162		186
Total identifiable intangible assets expense (a)		$	114	$	153	$	244	$	295

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(a)Amounts recorded in depreciation and amortization totaled $37 million and $53 million for the three months ended June 30, 2023 and 2022, respectively, and $80 million and $105 million for the six months ended June 30, 2023 and 2022, respectively. Amounts exclude LTSA. Amounts include all expenses associated with environmental allowances including expenses accrued to comply with emissions allowance programs and renewable portfolio standards which are presented in fuel, purchased power costs and delivery fees on our condensed consolidated statements of operations. Emissions allowance obligations are accrued as associated electricity is generated and renewable energy certificate obligations are accrued as retail electricity delivery occurs.

Schedule of estimated amortization expense of identifiable intangible assets and liabilities

As of June 30, 2023, the estimated aggregate amortization expense of identifiable intangible assets for each of the next five fiscal years is as shown below.

Year	Estimated Amortization Expense
2023	$	160
2024	$	111
2025	$	83
2026	$	59
2027	$	36