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v3.25.4

Income Taxes - Summary of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax liabilities: |  |
Attributable to investment in OTA | $ 495 | $ 462
Attributable to property, plant and equipment | 172 | 151
Attributable to investments in other entities | 4 | 5
Other | 107 | 98
Total deferred tax liabilities | 778 | 716
Deferred tax assets: |  |
Net operating loss carryovers | 73 | 56
Temporary differences related to Texas Margin Tax | 3 | 4
Total deferred tax assets | 76 | 60
Total net deferred tax liabilities | $ 702 | $ 656

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