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Stockholders' Equity - Share Repurchase Activity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	2 Months Ended	12 Months Ended
	Feb. 16, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Share repurchases, amount		$ 509.9	$ 430.0	$ 360.8
Common Stock
Class of Stock [Line Items]
Shares Repurchased (in shares)		3.5	5.0	4.1
Average Price (in dollars per share)		$ 146.54	$ 86.35	$ 88.73
Common Stock | Subsequent Event
Class of Stock [Line Items]
Shares Repurchased (in shares)	0.8
Share repurchases, amount	$ 110.0

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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