v3.25.1

Segment Information - Schedule of Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total revenues	$ 649	$ 548
Fuel	123	133
Purchased power	38	8
Operations & maintenance, excluding FPSC-approved regulatory deferrals	97	95
Operations & maintenance related to FPSC-approved regulatory deferrals	45	39
Depreciation and amortization	122	112
Total interest charges	52	49
Other segment items	40	41
Provision for income taxes	18	8
Net Income (Loss)	114	63
Capital expenditures	309	$ 268
Total assets	$ 13,362		$ 13,107

Operations and maintenance excluding fpsc approved regulatory deferrals.

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TAMPA ELECTRIC CO 10-Q