Condensed Consolidated Statements of Stockholders Equity Condensed Consolidated Statements of Stockholders Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Comprehensive Income (Loss), Tax	$ 39	$ 24
Common Stock, Dividends, Per Share, Cash Paid	$ 0.54	$ 0.51
Public Service Electric and Gas Company [Member]
Other Comprehensive Income (Loss), Tax	$ 1	$ 1