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Income Taxes Incomes Taxes (Details) - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Operating Loss Carryforwards [Line Items]        
Income tax provision (benefit)   $ (401.0) $ (18.0)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount     22.0  
Less: Net earnings attributable to noncontrolling interest   $ 168.0 $ 24.0  
Effective Income Tax Rate Reconciliation, period increase/(decrease) due to noncontrolling interest   3.70% 1.30%  
Effective Income Tax Rate Reconciliation, Percent   27.60% 9.30%  
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount   $ 20.0    
Income taxes payable $ 408.0 408.0   $ 24.0
Unrecognized Tax Benefits 349.0 349.0   27.0
Income Tax Examination, Penalties and Interest Accrued 96.0 $ 96.0   $ 4.0
Effective Income Tax Rate Reconciliation, Percent   27.60% 9.30%  
Foreign Tax Authority | Canada Revenue Agency [Member]        
Operating Loss Carryforwards [Line Items]        
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount   $ 78.0    
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority 225.0 225.0    
Income Tax Examination, Interest Expense 98.0      
Foreign Tax Authority | Canada Revenue Agency [Member] | Tax Years 2006-2011        
Operating Loss Carryforwards [Line Items]        
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority 127.0 127.0    
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 99.0 99.0    
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount   76.0    
Foreign Tax Authority | Canada Revenue Agency [Member] | Tax Years 2012 and After        
Operating Loss Carryforwards [Line Items]        
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions   319.0    
Income Taxes Receivable, Noncurrent 329.0 329.0    
Accrued Income Taxes, Noncurrent 28.0 28.0    
Unrecognized Tax Benefits, Income Tax Penalties Accrued 91.0 91.0    
Foreign Tax Authority | Canada Revenue Agency [Member] | Tax Year 2012 and After        
Operating Loss Carryforwards [Line Items]        
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 63.0 63.0    
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount   2.0    
Income Tax Examination, Estimate of Possible Loss   12.0    
Unrecognized Tax Benefits, Estimated Interest on Income Taxes Accrued, Net of Taxes 69.0 69.0    
Domestic Tax Authority        
Operating Loss Carryforwards [Line Items]        
Income Taxes Receivable $ 51.0 $ 51.0