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INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate	13.00%		10.70%	11.90%	8.30%
Tax benefit from employee share-based compensation	$ 12.9		$ 16.4	$ 50.7	$ 47.0
Liability for income taxes associated with uncertain tax positions	340.8			340.8		$ 281.8
Decrease in unrecognized tax benefits is reasonably possible	128.5			128.5		95.1
Net amounts that would favorably affect effective tax rate	$ 212.3			212.3		$ 186.7
Income tax benefit		$ 2.0
Additional federal tax				$ 180.0

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Estimated amount of loss resulting from an adverse tax position.

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