Consolidated Statements Of Stockholders' Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Comprehensive Income (Loss), tax	$ (51)	$ 0	$ (2)
Common Stock, Dividends, Per Share, Cash Paid	$ 2.04	$ 1.96	$ 1.88
Public Service Electric and Gas Company
Other Comprehensive Income (Loss), tax	$ 1	$ 0	$ (1)