Earnings Per Share - Schedule of Share Repurchase (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Shares Repurchased (in shares)	3	12	41	35
Cost of Shares (Dollars in Millions)	$ 112.0	$ 402.0	$ 1,264.0	$ 1,212.0
Average Price Paid per Share (in dollars per share)	$ 33.07	$ 33.66	$ 30.61	$ 34.60
Excise Taxes Paid for Net Share Repurchases (Dollars in Millions)	$ 0.0	$ 0.0	$ 19.9	$ 0.0