Pay vs Performance Disclosure - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net Income	[1]	$ 139	$ 114	$ 2,017	$ 243

[1] Includes net after-tax gains (losses) of $(17) million and $(214) million for the three months and $750 million and $(896) million for the nine months ended September 30, 2023 and 2022, respectively, at PSEG Power related to the impacts of non-trading commodity mark-to-market activity, which consist of the financial impact from positions with future delivery dates. Includes a $239 million after-tax pension charge due to the remeasurement of the qualified pension plans as a result of the pension settlement transaction for the three and nine months ended September 30, 2023. See Note 9. Pension and Other Postretirement Benefits (OPEB) .