Condensed Statements of Capitalization (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Beginning balance	$ 5,001	$ 4,517	$ 4,723	$ 5,420
Net income	136	132	199	211
Separation of PGS equity from TEC				(992)
Equity contributions from Parent	120	100	420	200
Dividends to Parent	(63)	(79)	(148)	(170)
Other				1
Ending balance	5,194	4,670	5,194	4,670
Common Stock [Member]
Beginning balance	$ 4,805	$ 4,305	$ 4,505	$ 5,075
Beginning balance	10	10	10	10
Separation of PGS equity from TEC				$ (871)
Equity contributions from Parent	$ 120	$ 100	$ 420	200
Other				1
Ending balance	$ 4,925	$ 4,405	$ 4,925	$ 4,405
Ending balance	10	10	10	10
Retained Earnings [Member]
Beginning balance	$ 197	$ 213	$ 219	$ 346
Net income	136	132	199	211
Separation of PGS equity from TEC				(121)
Dividends to Parent	(63)	(79)	(148)	(170)
Ending balance	270	266	270	266
Accumulated Other Comprehensive Loss [Member]
Beginning balance	(1)	(1)	(1)	(1)
Ending balance	$ (1)	$ (1)	$ (1)	$ (1)