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Goodwill and Identifiable Intangible Assets and Liabilities
3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Identifiable Intangible Assets and Liabilities GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS AND LIABILITIES
Goodwill

As of March 31, 2025 and December 31, 2024, the carrying value of goodwill totaled $2.810 billion and $2.807 billion, respectively.
Retail SegmentTexas Segment
Retail Reporting Unit (a)Texas Generation Reporting Unit
Goodwill Pending Allocation
Total Goodwill
(in millions)
Balance at December 31, 2024
$2,461 $122 $224 $2,807 
Measurement period adjustment recorded in connection with the Energy Harbor Merger (b)
227 — (224)
Balance at March 31, 2025
$2,688 $122 $— $2,810 
____________
(a)Goodwill of $1.944 billion is deductible for tax purposes over 15 years on a straight line basis.
(b)Includes the allocation of goodwill attributable to the Energy Harbor acquisition to the retail reporting unit (see Note 2 for additional information).
Identifiable Intangible Assets and Liabilities

Identifiable intangible assets are comprised of the following:
March 31, 2025December 31, 2024
Identifiable Intangible Asset
Gross
Carrying
Amount
Accumulated
Amortization
Net
Gross
Carrying
Amount
Accumulated
Amortization
Net
(in millions)
Retail customer relationships$2,173 $1,999 $174 $2,173 $1,977 $196 
Software and other technology-related assets616 312 304 601 293 308 
Retail and wholesale contracts503 373 130 503 353 150 
Long-term service agreements18 13 18 13 
Other identifiable intangible assets (a)373 14 359 218 13 205 
Total identifiable intangible assets subject to amortization$3,683 $2,703 980 $3,513 $2,641 872 
Retail trade names (not subject to amortization)1,341 1,341 
Total identifiable intangible assets$2,321 $2,213 
____________
(a)Includes mining development costs and environmental allowances (emissions allowances and renewable energy certificates).

Identifiable intangible liabilities are comprised of the following:
Identifiable Intangible LiabilityMarch 31,
2025
December 31,
2024
(in millions)
Long-term service agreements$104 $108 
Wholesale power and fuel purchase contracts45 47 
Total identifiable intangible liabilities$149 $155 

Amortization of finite-lived identifiable intangible assets and liabilities (including the classification in the condensed consolidated statements of operations) consisted of the following:
Identifiable Intangible Assets/LiabilitiesCondensed Consolidated Statements of OperationsThree Months Ended March 31,
20252024
(in millions)
Retail customer relationshipsDepreciation and amortization$23 $22 
Software and other technology-related assetsDepreciation and amortization18 13 
Retail and wholesale contractsOperating revenues/Fuel, purchased power costs, and delivery fees(2)
Other identifiable intangible assets (a)Fuel, purchased power costs, and delivery fees/Depreciation and amortization136 103 
Total intangible asset expense, net$175 $139 
___________
(a)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 in the 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.
Estimated Amortization of Identifiable Intangible Assets

As of March 31, 2025, the estimated aggregate amortization expense of identifiable intangible assets, excluding environmental allowances, for each of the next five fiscal years is as shown below.
YearEstimated Amortization Expense
(in millions)
2025$237 
2026$177 
2027$80 
2028$59 
2029$41