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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Dec. 31, 2021
Income Tax Disclosure [Abstract]        
Effective income tax rate (as a percent) 14.30%   13.10%  
Tax benefit from employee share-based compensation $ 13.4   $ 11.5  
Liability for income taxes associated with uncertain tax positions 379.9     $ 358.4
Decrease in unrecognized tax benefits is reasonably possible 147.7     135.1
Net amounts that would favorably affect effective tax rate $ 232.2     $ 223.3
Additional federal tax   $ 180.0