Segment Information (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Schedule of Segment Information

(millions)	Tampa									Tampa Electric
Three months ended March 31,	Electric		PGS		Eliminations					Company
2017
Revenues - external	$	442	$	111	$	0				$	553
Intracompany sales		0		1		(1	)				0
Total revenues		442		112		(1	)				553
Total interest charges		25		4		0					29
Net income	$	42	$	14	$	0				$	56
2016
Revenues - external	$	424	$	127	$	0				$	551
Intracompany sales		1		4		(5	)				0
Total revenues		425		131		(5	)				551
Total interest charges		24		4		0					28
Net income	$	50	$	13	$	0				$	63
Total assets at March 31, 2017	$	7,388	$	1,213	$	(496	)	(1	)	$	8,105
Total assets at December 31, 2016	$	7,357	$	1,191	$	(465	)	(1	)	$	8,083

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