Income Taxes Incomes Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Income tax provision (benefit)	$ 155.0	$ (46.0)	$ 913.0	$ 57.0
Effective Income Tax Rate Reconciliation, Percent	22.30%	34.30%	23.80%	12.30%
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount				$ 36.0
Less: Net earnings attributable to noncontrolling interest	$ 100.0	$ 94.0	$ 442.0	$ 189.0
Effective Income Tax Rate Reconciliation, period increase/(decrease) due to noncontrolling interest	3.70%	14.00%	3.10%	8.70%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount			$ 22.0
Unrecognized Tax Benefits	$ 329.0		329.0		$ 27.0
Income Tax Examination, Penalties and Interest Accrued	123.0		123.0		$ 4.0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	693.0	$ (137.0)	3,841.0	$ 458.0
Foreign Tax Authority | Canada Revenue Agency [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount			78.0
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	129.0		129.0
Income Tax Examination, Interest Expense	66.0		103.0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	103.0		103.0
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount			78.0
Income Tax Examination, Penalties Expense	81.0
Reduction in net interest expense	1.0		1.0
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			314.0
Income Taxes Receivable, Noncurrent	359.0		359.0
Accrued Income Taxes, Noncurrent	33.0		33.0
Unrecognized Tax Benefits, Income Tax Penalties Accrued	123.0		123.0
Foreign Tax Authority | Canada Revenue Agency [Member] | Tax Year 2012 and After
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Interest Expense	4.0		90.0
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount	3.0		16.0
Income Tax Examination, Estimate of Possible Loss			29.0
Unrecognized Tax Benefits, Estimated Interest on Income Taxes Accrued, Net of Taxes	98.0		98.0
Income Tax Examination, Interest Expense, Net of Taxes	5.0
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Income Taxes Receivable	$ 51.0		$ 51.0