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Earnings Per Share (EPS) And Dividends (Basic And Diluted Earnings Per Share Computation) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 1 Months Ended | 2 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
May 31, 2022 | Mar. 31, 2022 | Feb. 28, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  | $ 500
Accelerated Share Repurchases, Settlement (Payment) or Receipt |  |  |  |  | $ 250 |  | $ 250 |  |
Accelerated Share Repurchase percentage of initial shares received |  |  | 80.00% |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  |  | $ 250 | 0 |  | $ 500 | $ 0 |
Treasury Stock, Shares, Acquired |  | 600 | 3,000 |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  |  |  |  |  | 3,000 |  |
Net Income | [1] |  |  |  | $ 131 | $ (177) | $ 129 | $ 471 |
Weighted Average Common Shares Outstanding, Basic (shares) |  |  |  |  | 497,000 | 504,000 | 499,000 | 504,000 |
Effect of Stock Based Compensation Awards, Basic (shares) |  |  |  |  | 0 | 0 | 0 | 0 |
Total Shares, Basic (shares) |  |  |  |  | 497,000 | 504,000 | 499,000 | 504,000 |
Net Income, Basic (dollars per share) |  |  |  |  | $ 0.26 | $ (0.35) | $ 0.26 | $ 0.94 |
Weighted Average Common Shares Outstanding, Diluted (shares) |  |  |  |  | 497,000 | 504,000 | 499,000 | 504,000 |
Effect of Stock Based Compensation Awards, Diluted (shares) |  |  |  |  | 3,000 | 0 | 3,000 | 3,000 |
Total Shares, Diluted (shares) |  |  |  |  | 500,000 | 504,000 | 502,000 | 507,000 |
Net Income, Diluted (dollars per share) |  |  |  |  | $ 0.26 | $ (0.35) | $ 0.26 | $ 0.93 |
[1] | Includes a $373 million after-tax impairment of the ISO NE asset grouping at PSEG Power in the three and six months ended June 30, 2021. See Note 4. Early Plant Retirements/Asset Dispositions and Impairments for additional information. Also includes net after-tax losses of $74 million and $206 million for the three months ended June 30, 2022 and 2021, respectively, and $682 million and $240 million for the six months ended June 30, 2022 and 2021, respectively, related to the impacts of non-trading commodity mark-to-market activity, which consist of the financial impact from positions with future delivery dates.

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