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Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended												12 Months Ended
	Feb. 07, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 10, 2022
Equity, Class of Treasury Stock [Line Items]
Unrealized currency translation gains														$ 57.9	$ (98.6)	$ (8.2)
Defined benefit pension plan settlement charges						$ 109.8									109.8
Cash dividends paid														$ 361.6	$ 380.5	$ 369.9
Common stock dividends (USD per share)		$ 0.235	$ 0.235	$ 0.235	$ 0.235	$ 0.235	$ 0.235	$ 0.235	$ 0.235	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.94	$ 0.94	$ 0.90
Stock repurchased and retired, publicly announced authorizations (shares)														22.3	19.5	8.5
Stock repurchased and retired, publicly announced authorizations, value excluding commissions														$ 351.8	$ 400.0	$ 217.4
Stock repurchased and retired, publicly announced authorizations, average cost per share excluding commissions (USD per share)														$ 15.81	$ 20.56	$ 25.45
Stock repurchase program expiration date														Dec. 31, 2021
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Common stock dividends (USD per share)	$ 0.235
Dividends payable, date declared	Feb. 07, 2023
Dividends payable, date to be paid	Mar. 31, 2023
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		$ 648.2												$ 648.2
Business Solutions | Asset Held for Sale, Not Discontinued Operations
Equity, Class of Treasury Stock [Line Items]
Unrealized currency translation gains														$ 17.8

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