Capital Structure - Schedule of Total Preferred Stock Outstanding (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	82,000	82,000
Aggregate liquidation preference	$ 2,050.0	$ 2,050.0
Aggregate dividend payment	117.0	$ 107.0	$ 105.0
Excess redemption price over carrying value	$ 18.0
Series G
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	0	0
Aggregate liquidation preference	$ 0.0	$ 0.0
Dividend rate	5.625%
Dividends payable, amount per share (in dollars per share)	$ 0	$ 0.70	$ 1.41
Aggregate dividend payment	$ 0.0	$ 16.0	$ 32.0
Series H
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	46,000	46,000
Aggregate liquidation preference	$ 1,150.0	$ 1,150.0
Dividend rate	5.10%
Dividends payable, amount per share (in dollars per share)	$ 1.28	$ 1.28	$ 1.28
Aggregate dividend payment	$ 59.0	$ 59.0	$ 59.0
Series I
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	12,000	12,000
Aggregate liquidation preference	$ 300.0	$ 300.0
Dividend rate	4.75%
Dividends payable, amount per share (in dollars per share)	$ 1.19	$ 1.19	$ 1.19
Aggregate dividend payment	$ 14.0	$ 14.0	$ 14.0
Series J
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	24,000	24,000
Aggregate liquidation preference	$ 600.0	$ 600.0
Dividend rate	7.375%
Dividends payable, amount per share (in dollars per share)	$ 1.84	$ 0.75	$ 0
Aggregate dividend payment	$ 44.0	$ 18.0	$ 0.0