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Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Feb. 10, 2022
Equity, Class of Treasury Stock [Line Items]
Cash dividends paid	$ 91.7	$ 96.6
Common stock dividends (USD per share)	$ 0.235	$ 0.235
Stock repurchased and retired, publicly announced authorizations (shares)	8.1	3.1
Stock repurchased and retired, publicly announced authorizations, value excluding commissions	$ 150.0	$ 75.0
Stock repurchased and retired, publicly announced authorizations, average cost per share excluding commissions (USD per share)	$ 18.46	$ 24.24
Stock repurchase program expiration date	Dec. 31, 2021
Authorized through December 31, 2024
Equity, Class of Treasury Stock [Line Items]
Stock repurchases authorized amount			$ 1,000.0
Remaining amount available under share repurchase authorization	$ 850.0

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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Amount of stock repurchase plan authorized.

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- Definition

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the YYYY-MM-DD format.

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