CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions |
Total |
Total common shareholder's equity |
Common stock |
Additional paid in capital |
Retained earnings |
Preferred stock |
|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2024 | $ 5,507.2 | $ 5,476.8 | $ 332.9 | $ 2,703.0 | $ 2,440.9 | $ 30.4 |
| Statements of equity | ||||||
| Net income attributed to common shareholder | 196.1 | 196.1 | 0.0 | 0.0 | 196.1 | 0.0 |
| Payment of dividends to parent | (60.0) | (60.0) | 0.0 | 0.0 | (60.0) | 0.0 |
| Equity contribution from parent | 300.0 | 300.0 | 0.0 | 300.0 | 0.0 | 0.0 |
| Stock-based compensation and other | 0.5 | 0.5 | 0.0 | 0.5 | 0.0 | 0.0 |
| Balance at Mar. 31, 2025 | 5,943.8 | 5,913.4 | 332.9 | 3,003.5 | 2,577.0 | 30.4 |
| Balance at Dec. 31, 2024 | 5,507.2 | 5,476.8 | 332.9 | 2,703.0 | 2,440.9 | 30.4 |
| Statements of equity | ||||||
| Payment of dividends to parent | (240.0) | |||||
| Equity contribution from parent | 1,085.0 | |||||
| Balance at Sep. 30, 2025 | 6,864.5 | 6,834.1 | 332.9 | 3,788.6 | 2,712.6 | 30.4 |
| Balance at Mar. 31, 2025 | 5,943.8 | 5,913.4 | 332.9 | 3,003.5 | 2,577.0 | 30.4 |
| Statements of equity | ||||||
| Net income attributed to common shareholder | 118.5 | 118.5 | 0.0 | 0.0 | 118.5 | 0.0 |
| Payment of dividends to parent | (60.0) | (60.0) | 0.0 | 0.0 | (60.0) | 0.0 |
| Equity contribution from parent | 410.0 | 410.0 | 0.0 | 410.0 | 0.0 | 0.0 |
| Stock-based compensation and other | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 |
| Balance at Jun. 30, 2025 | 6,412.4 | 6,382.0 | 332.9 | 3,413.5 | 2,635.6 | 30.4 |
| Statements of equity | ||||||
| Net income attributed to common shareholder | 197.1 | 197.1 | 0.0 | 0.0 | 197.1 | 0.0 |
| Payment of dividends to parent | (120.0) | (120.0) | 0.0 | 0.0 | (120.0) | 0.0 |
| Equity contribution from parent | 375.0 | 375.0 | 0.0 | 375.0 | 0.0 | 0.0 |
| Stock-based compensation and other | 0.0 | 0.0 | 0.0 | 0.1 | (0.1) | 0.0 |
| Balance at Sep. 30, 2025 | 6,864.5 | 6,834.1 | 332.9 | 3,788.6 | 2,712.6 | 30.4 |
| Balance at Dec. 31, 2025 | 6,779.6 | 6,749.2 | 332.9 | 3,948.6 | 2,467.7 | 30.4 |
| Statements of equity | ||||||
| Net income attributed to common shareholder | 235.2 | 235.2 | 0.0 | 0.0 | 235.2 | 0.0 |
| Payment of dividends to parent | (60.0) | (60.0) | 0.0 | 0.0 | (60.0) | 0.0 |
| Equity contribution from parent | 405.0 | 405.0 | 0.0 | 405.0 | 0.0 | 0.0 |
| Stock-based compensation and other | 0.4 | 0.4 | 0.0 | 0.4 | 0.0 | 0.0 |
| Balance at Mar. 31, 2026 | 7,360.2 | 7,329.8 | 332.9 | 4,354.0 | 2,642.9 | 30.4 |
| Balance at Dec. 31, 2025 | 6,779.6 | 6,749.2 | 332.9 | 3,948.6 | 2,467.7 | 30.4 |
| Statements of equity | ||||||
| Payment of dividends to parent | (405.0) | |||||
| Equity contribution from parent | 685.0 | |||||
| Balance at Sep. 30, 2026 | 7,696.9 | 7,666.5 | 332.9 | 4,634.1 | 2,699.5 | 30.4 |
| Balance at Mar. 31, 2026 | 7,360.2 | 7,329.8 | 332.9 | 4,354.0 | 2,642.9 | 30.4 |
| Statements of equity | ||||||
| Net income attributed to common shareholder | 149.8 | 149.8 | 0.0 | 0.0 | 149.8 | 0.0 |
| Payment of dividends to parent | (285.0) | (285.0) | 0.0 | 0.0 | (285.0) | 0.0 |
| Equity contribution from parent | 30.0 | 30.0 | 0.0 | 30.0 | 0.0 | 0.0 |
| Balance at Jun. 30, 2026 | 7,255.0 | 7,224.6 | 332.9 | 4,384.0 | 2,507.7 | 30.4 |
| Statements of equity | ||||||
| Net income attributed to common shareholder | 251.8 | 251.8 | 0.0 | 0.0 | 251.8 | 0.0 |
| Payment of dividends to parent | (60.0) | (60.0) | 0.0 | 0.0 | (60.0) | 0.0 |
| Equity contribution from parent | 250.0 | 250.0 | 0.0 | 250.0 | 0.0 | 0.0 |
| Stock-based compensation and other | 0.1 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 |
| Balance at Sep. 30, 2026 | $ 7,696.9 | $ 7,666.5 | $ 332.9 | $ 4,634.1 | $ 2,699.5 | $ 30.4 |