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INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate	13.10%	14.80%
Tax benefit from employee share-based compensation	$ 11.5	$ 10.3
Liability for income taxes associated with uncertain tax positions	300.5		$ 281.8
Decrease in unrecognized tax benefits is reasonably possible	104.7		95.1
Net amounts that would favorably affect effective tax rate	195.8		$ 186.7
Additional federal tax	$ 200.0

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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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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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