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Segment Information
 12 Months Ended
Dec. 31, 2024
Segment Reporting [Abstract]  
Segment Information SEGMENT INFORMATION
The operations of Vistra are aligned into five reportable business segments: (i) Retail, (ii) Texas, (iii) East, (iv) West, and (v) Asset Closure. In the fourth quarter of 2024, we updated our reportable segments to reflect changes in how the Company's CODM makes operating decisions, assesses performance, and allocates resources by removing the Sunset segment. The results of the plants previously included in the Sunset segment are now reflected in the Texas and East segments based on their respective geography.

Our Chief Executive Officer is our CODM. Our CODM reviews the results of these segments separately and allocates resources to the respective segments as part of our strategic operations. A measure of assets is not applicable, as segment assets are not regularly reviewed by the CODM for evaluating performance or allocating resources.

The Retail segment is engaged in retail sales of electricity and natural gas to residential, commercial and industrial customers. Substantially all of these activities are conducted by TXU Energy, Ambit, Dynegy Energy Services, Homefield Energy, Energy Harbor, and U.S. Gas & Electric across 16 states and the District of Columbia.

The Texas and East segments are engaged in electricity generation, wholesale energy sales and purchases, commodity risk management activities, fuel procurement, and logistics management. The Texas segment represents results from all of Vistra's electricity generation operations in the ERCOT market except for assets included in the Asset Closure segments. The East segment represents results from Vistra's electricity generation operations in the Eastern Interconnection of the U.S. electric grid, other than assets included in the Asset Closure segment, and includes operations in the PJM, MISO, ISO-NE, and NYISO markets.

The West segment represents results from the CAISO market, including our battery ESS projects at our Moss Landing power plant site.

The Asset Closure segment is engaged in the decommissioning and reclamation of retired plants and mines (see Note 6 for additional information). Upon movement of generation plant assets to the Asset Closure segment, prior year results are retrospectively adjusted, if the effects are material, for comparative purposes. Separately reporting the Asset Closure segment provides management with better information related to the performance and earnings power of Vistra's ongoing operations and facilitates management's focus on minimizing the cost associated with decommissioning and reclamation of retired plants and mines.
Corporate and Other represents the remaining non-segment operations consisting primarily of general corporate expenses, interest, taxes and other expenses not allocated to our operating segments.

The accounting policies of the business segments are the same as those described in the summary of significant accounting policies in Note 1. Our CODM uses more than one measure to assess segment performance, but primarily focuses on Adjusted EBITDA. While we believe this is a useful metric in evaluating operating performance, it is not a metric defined by U.S. GAAP and may not be comparable to non-GAAP metrics presented by other companies. Adjusted EBITDA is most comparable to consolidated Net income (loss) prepared based on U.S. GAAP. The CODM uses net income in competitive analysis by benchmarking to the Company's competitors and in evaluating drivers of segment profits available to the Company's equity holders. We account for intersegment sales and transfers as if the sales or transfers were to third parties, that is, at market prices. Certain shared services costs are allocated to the segments. Substantially all income tax (expense) benefit is recognized in Corporate and Other.

Year Ended December 31, 2024
Retail
Texas
East
West
Asset Closure
Total Reportable Segments
Corporate and Other
Total
(in millions)
Operating revenues
$12,797 $5,394 $5,661 $877 $1 $24,730 $(7,506)$17,224 
Fuel, purchased power costs, and delivery fees
(10,276)(1,596)(2,698)(221)(3)(14,794)7,509 (7,285)
Operating costs
(159)(996)(1,103)(72)(81)(2,411)(3)(2,414)
Selling, general, and administrative expenses
(977)(169)(148)(25)(43)(1,362)(239)(1,601)
Other segment items:
Depreciation and amortization
(114)(581)(996)(86)— (1,777)(66)(1,843)
Interest expenses and related charges(54)46 9 1 (4)(2)(898)(900)
Income tax expense— — — — — — (655)(655)
Other (a)
(1)35 177 (3)14 222 64 286 
Net income (loss)
$1,216 $2,133 $902 $471 $(116)$4,606 $(1,794)$2,812 
Capital expenditures, including nuclear fuel and excluding growth expenditures
$4 $1,124 $661 $70 $— $1,859 $58 $1,917 

Year Ended December 31, 2023
Retail
Texas
East
West
Asset Closure (b)
Total Reportable Segments
Corporate and Other
Total
(in millions)
Operating revenues
$10,572 $3,979 $5,890 $914 $— $21,355 $(6,576)$14,779 
Fuel, purchased power costs, and delivery fees
(9,046)(2,028)(2,730)(328)(3)(14,135)6,578 (7,557)
Operating costs
(123)(917)(528)(58)(74)(1,700)(2)(1,702)
Selling, general, and administrative expenses
(858)(140)(127)(24)(34)(1,183)(125)(1,308)
Other segment items:
Depreciation and amortization
(102)(550)(703)(79)— (1,434)(68)(1,502)
Interest expenses and related charges(20)21 (2)8 (5)2 (742)(740)
Income tax expense— — (1)— — (1)(507)(508)
Other (a)
1 33 (50)21 110 115 (85)30 
Net income (loss)
$424 $398 $1,749 $454 $(6)$3,019 $(1,527)$1,492 
Capital expenditures, including nuclear fuel and excluding growth expenditures
$1 $750 $362 $366 $— $1,479 $58 $1,537 
Year Ended December 31, 2022
Retail
Texas
East
West
Asset Closure (b)
Total Reportable Segments
Corporate and Other
Total
(in millions)
Operating revenues
$9,455 $3,878 $4,429 $336 $384 $18,482 $(4,754)$13,728 
Fuel, purchased power costs, and delivery fees
(7,169)(3,052)(4,132)(481)(322)(15,156)4,755 (10,401)
Operating costs
(143)(832)(482)(42)(145)(1,644)(1)(1,645)
Selling, general, and administrative expenses
(826)(135)(97)(21)(44)(1,123)(66)(1,189)
Other segment items:
Interest expenses and related charges(14)20 (6)6 (3)3 (371)(368)
Depreciation and amortization
(145)(541)(768)(42)(31)(1,527)(69)(1,596)
Income tax benefit— — — — — — 350 350 
Other (a)
— 76 (71)6 14 25 (114)(89)
Net income (loss)
$1,158 $(586)$(1,127)$(238)$(147)$(940)$(270)$(1,210)
Capital expenditures, including nuclear fuel and excluding growth expenditures
$1 $520 $187 $345 $— $1,053 $55 $1,108 
____________
(a)Other includes impairment of long-lived assets, other income, other deductions, and the impacts of the Tax Receivable Agreement.
(b)We have allocated unrealized gains and losses on the commodity risk management activities attributable to the plants retired in 2022 and 2023. See Note 6 for additional information.