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Condensed Consolidated Statement of Shareholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Dividends on common stock per share | $ 0.36 | $ 0.32
7% Series A Preferred Stock |  |
Preferred stock, dividend rate (as a percent) | 7.00% |
7% Series A Preferred Stock | Preferred stock |  |
Preferred stock, dividend rate (as a percent) | 7.00% | 7.00%
Dividends on preferred stock per share | $ 1.75 | $ 1.75
6% Series B Preferred Stock |  |
Preferred stock, dividend rate (as a percent) | 6.00% |
6% Series B Preferred Stock | Preferred stock |  |
Preferred stock, dividend rate (as a percent) | 6.00% | 6.00%
Dividends on preferred stock per share | $ 60.00 | $ 60.00
6% Series C Preferred Stock |  |
Preferred stock, dividend rate (as a percent) | 6.00% |
6% Series C Preferred Stock | Preferred stock |  |
Preferred stock, dividend rate (as a percent) | 6.00% | 6.00%
Dividends on preferred stock per share | $ 60.00 | $ 60.00
8.25% Series D Preferred Stock |  |
Preferred stock, dividend rate (as a percent) | 8.25% |
8.25% Series D Preferred Stock | Preferred stock |  |
Preferred stock, dividend rate (as a percent) | 8.25% | 8.25%
Dividends on preferred stock per share | $ 82.50 | $ 82.50

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