XML 99 R82.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Line Items]          
Tax benefit adjustment to the provisional income tax expense       $ 5.3  
Unrecognized net operating loss carryforwards, foreign   $ 5.3 $ 1.8 7.1  
Income tax benefit   93.9 146.1 311.9  
Tax credit, research and development     28.6    
Foreign jurisdictions income with tax holidays   29.4 89.4 107.1  
Valuation allowance for deferred tax assets $ 397.7 397.7 344.8    
Valuation allowance, increase (decrease) 16.7 $ 52.9      
Income tax rate deduction dividend percent   100.00%      
Tax loss carryforwards 1,800.0 $ 1,800.0      
Tax loss carryforwards with no expiration date 1,500.0 1,500.0      
Tax loss carryforwards with expiration date 247.9 247.9      
Tax credit carryforwards 280.6 280.6      
Equity 4,614.9 4,614.9 4,501.1 4,360.6 $ 4,292.6
Unrecognized tax benefits 36.4 36.4 31.6 36.7 33.2
Unrecognized tax benefits, interest and penalties 12.2 12.2 11.5    
Decrease in unrecognized tax benefits, reasonably possible during the next twelve months 8.4 8.4      
Retained Earnings          
Income Taxes [Line Items]          
Equity 4,806.8 4,806.8 4,715.8 $ 4,113.6 4,171.9
Cumulative Effect, Period of Adoption, Adjustment          
Income Taxes [Line Items]          
Equity (0.8) (0.8)     2.3
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings          
Income Taxes [Line Items]          
Equity     $ (0.8)   $ 2.3
U.S.          
Income Taxes [Line Items]          
Valuation allowance for deferred tax assets 18.8 18.8      
Foreign tax credits 114.9 114.9      
Tax credit carryforwards, research 120.1 120.1      
International Jurisdictions          
Income Taxes [Line Items]          
Income tax benefit   15.5      
Valuation allowance for deferred tax assets 378.9 378.9      
Tax credit carryforwards, other $ 45.6 $ 45.6