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v3.25.3

Income Taxes - Summary of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax liabilities: |  |
Attributable to investment in OTA | $ 485 | $ 462
Attributable to property, plant and equipment | 137 | 151
Attributable to investments in other entities | 4 | 5
Other | 97 | 98
Total deferred tax liabilities | 723 | 716
Deferred tax assets: |  |
Net operating loss carryovers | 65 | 56
Temporary differences related to Texas Margin Tax | 3 | 4
Total deferred tax assets | 68 | 60
Total net deferred tax liabilities | $ 655 | $ 656

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