Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Pay vs Performance Disclosure
Net Income (Loss)	$ 188	$ 136	$ 302	$ 199

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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TAMPA ELECTRIC CO 10-Q