Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Valuation Assumptions [Table Text Block]

PSEG recognizes compensation expense for the total shareholder return (TSR) target for its PSU awards based on the grant date fair values of the award, which are determined using the Monte Carlo model. The following table provides the assumptions used to calculate the grant date fair value of the TSR portion of the PSU awards for 2020, 2019 and 2018:

Grant Date	Risk-Free Interest Rate	Volatility
February 18, 2020	1.36%	15.00%
February 19, 2019	2.47%	16.74%
February 20, 2018	2.36%	17.57%

Share Based Compensation Impacts

	2020		2019		2018
	Millions
Compensation Cost included in O&M Expense	$	35	$	33	$	30
Income Tax Benefit Recognized in Consolidated Statement of Operations	$	10	$	9	$	9

Activity For Options Exercised

Activity for options exercised for the years ended December 31, 2020, 2019 and 2018 is shown below:

	2020		2019		2018
	Millions
Total Intrinsic Value of Options Exercised	$	—	$	5	$	2
Cash Received from Options Exercised	$	—	$	8	$	4
Tax Benefit Realized from Options Exercised	$	—	$	1	$	—

Restricted Stock Units Activity

Changes in RSUs for the year ended December 31, 2020 are summarized as follows:

	Shares	Weighted Average Grant Date Fair Value		Weighted Average Remaining Years Contractual Term	Aggregate Intrinsic Value
Non-vested as of January 1, 2020	214,981	$	50.41
Granted	219,749	$	58.85
Vested	203,032	$	55.20
Canceled/Forfeited	8,800	$	54.13
Non-vested as of December 31, 2020	222,898	$	54.21	0.9	$	12,994,953

Performance Units Information

Changes in PSUs for the year ended December 31, 2020 are summarized as follows:

	Shares	Weighted Average Grant Date Fair Value		Weighted Average Remaining Years Contractual Term	Aggregate Intrinsic Value
Non-vested as of January 1, 2020	334,515	$	59.30
Granted	447,815	$	51.79
Vested	285,977	$	54.96
Canceled/Forfeited	20,512	$	58.37
Non-vested as of December 31, 2020	475,841	$	54.88	1.7	$	27,741,530