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Income Taxes Incomes Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |  |
Income tax provision (benefit) | $ 169 | $ 401 |
Effective Income Tax Rate Reconciliation, Percent | 20.60% | 27.60% |
Less: Net earnings attributable to noncontrolling interest | $ 90 | $ 168 |
Effective Income Tax Rate Reconciliation, period increase/(decrease) due to noncontrolling interest | 2.60% | 3.70% |
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount | $ 20 |  |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 819 | $ 1,452 |
Income Taxes Paid |  |  | $ 224
Foreign Tax Authority | Canada Revenue Agency [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount | 78 |  |
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 |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 99 |  |
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount | 76 |  |
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 |  |
Income Taxes Receivable, Noncurrent | 329 |  |
Accrued Income Taxes, Noncurrent | 28 |  |
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 91 |  |
Foreign Tax Authority | Canada Revenue Agency [Member] | Tax Year 2012 and After |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income Tax Examination, Interest Expense | 63 |  |
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount | 2 |  |
Income Tax Examination, Estimate of Possible Loss | 12 |  |
Unrecognized Tax Benefits, Estimated Interest on Income Taxes Accrued, Net of Taxes | 69 |  |
Domestic Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income Taxes Receivable | $ 51 |  |

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