Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Schedule of Segment Information

(millions)	Tampa								Tampa Electric
Three months ended June 30,	Electric		PGS		Eliminations				Company
2021
Revenues - external	$	531	$	123	$	0			$	654
Intracompany sales		1		0		(1	)			0
Total revenues		532		123		(1	)			654
Total interest charges		29		5		0				34
Net income	$	102	$	19	$	0			$	121
2020
Revenues - external	$	453	$	96	$	0			$	549
Intracompany sales		1		1		(2	)			0
Total revenues		454		97		(2	)			549
Total interest charges		28		4		0				32
Net income	$	106	$	11	$	0			$	117
Six months ended June 30,
2021
Revenues - external	$	977	$	276	$	0			$	1,253
Intracompany sales		2		2		(4	)			0
Total revenues		979		278		(4	)			1,253
Total interest charges		57		10		0				67
Net income	$	167	$	46	$	0			$	213
2020
Revenues - external	$	873	$	223	$	0			$	1,096
Intracompany sales		2		4		(6	)			0
Total revenues		875		227		(6	)			1,096
Total interest charges		58		8		0				66
Net income	$	165	$	29	$	0			$	194
Total assets at June 30, 2021	$	10,101	$	2,021	$	(663	)	(1)	$	11,459
Total assets at December 31, 2020	$	9,800	$	1,901	$	(653	)	(1)	$	11,048

(1) Amounts primarily relate to consolidated deferred tax reclassifications. Deferred tax assets are reclassified and netted with deferred tax liabilities upon consolidation.