Equity, Stock-Based Compensation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Expense incurred for stock-based compensation plans	$ 83.0	$ 70.5	$ 63.0
Recognized tax benefit related to stock-based compensation	71.7	50.7	46.0
Excess tax benefit from option exercises	63.4	42.8	38.1
Selling, General and Administrative Expenses
Expense incurred for stock-based compensation plans	$ 83.0	$ 70.5	$ 63.0

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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