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v3.25.1

Equity (Narrative) (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Apr. 07, 2025 $ / shares | Mar. 31, 2025 USD ($) $ / shares shares | Feb. 28, 2025 USD ($) | Dec. 31, 2024 | Mar. 31, 2025 USD ($) $ / shares shares | Mar. 31, 2024 USD ($) $ / shares shares
Stock Issued During Period, Shares, Treasury Stock Reissued |  |  |  |  | 1,193,693 |
Common Stock, Dividends, Per Share, Declared | $ / shares |  |  |  |  | $ 0.60 | $ 0.57
Dividends, Common Stock, Cash | $ |  |  |  |  | $ 258,249 | $ 240,959
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  |  | 2 |  |
Forward Contracts [Member] |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  |  |  | 185,897 | 3,820,510
Equity Distribution Program [Member] |  |  |  |  |  |
Forward Contract Indexed to Equity, Settlement, Cash, Amount | $ |  | $ 2,800,000 |  |  | $ 2,800,000 |
Equity Distribution Sales Agreement, Maximum Aggregate Gross Sales Price | $ |  | $ 4,500,000 |  |  | $ 4,500,000 |
Equity Distribution Sales Agreement, Increase in Maximum Aggregate Gross Sales Price | $ |  |  | $ 1,500,000 |  |  |
Common Stock [Member] | Equity Distribution Program [Member] |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share | $ / shares |  | $ 84.77 |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  | 0 | 0
Forward Contract Indexed to Issuer's Equity, Shares |  | 2,713,790 |  |  |  |
Common Stock [Member] | Equity Offering |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share | $ / shares |  | $ 81.87 |  |  |  |
Forward Contract Indexed to Issuer's Equity, Shares |  | 17,800,000 |  |  |  |
Forward Contract Indexed to Equity, Settlement, Number of Shares |  | 700,000 |  |  | 700,000 |
System Energy [Member] |  |  |  |  |  |
Dividends, Common Stock, Cash | $ |  |  | $ 20,000 |  |  |
Subsequent Event [Member] |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ / shares | $ 0.60 |  |  |  |  |

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