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Income Taxes, Reconciliation of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount |  |  |  |  |
Income tax expense (benefit) at statutory rates |  | $ 3,071 | $ 288 |  | $ (445)
U.S. state and Canadian provincial tax expense, net of federal income tax effect |  | 437 | 69 |  | (6)
Permanent differences |  | (77) | (48) |  | (8)
Changes in tax law |  |  | 64 | [1] | 21
CARES Act | [2] |  | (56) |  | (360)
GILTI tax |  | 413 | 125 |  |
Lapse of federal statute of limitations |  |  |  |  | (39)
Foreign tax credits |  | (396) | (103) |  |
Repatriation withholding tax |  | 51 |  |  |
Settlements |  |  | (22) |  |
Tax effects of income associated with noncontrolling interests |  | (53) | (44) |  | (74)
Other, net |  | (18) | (18) |  | 8
Income tax expense (benefit) |  | $ 3,428 | $ 255 |  | $ (903)
Effective Income Tax Rate Reconciliation, Percent |  |  |  |  |
Income tax expense (benefit) at statutory rates (percent) |  | 20.10% | 18.70% |  | 22.10%
U.S. state and Canadian provincial tax expense (benefit), net of federal income tax effect (percent) |  | 2.80% | 4.50% |  | 0.30%
Permanent differences (percent) |  | (0.50%) | (3.10%) |  | 0.40%
Change in tax law (percent) |  |  | 4.10% | [1] | (1.00%)
CARES Act (percent) | [2] |  | (3.60%) |  | 17.90%
GILTI tax (percent) |  | 2.70% | 8.10% |  |
Lapse of federal statute of limitations (percent) |  |  |  |  | 1.90%
Foreign tax credits (percent) |  | (2.60%) | (6.70%) |  |
Repatriation withholding tax (percent) |  | 0.30% |  |  |
Settlements (percent) |  |  | (1.40%) |  |
Tax effects of income associated with noncontrolling interests (percent) |  | (0.30%) | (2.90%) |  | 3.70%
Other, net (percent) |  | (0.10%) | (1.20%) |  | (0.40%)
Income tax expense (benefit) (percent) |  | 22.40% | 16.50% |  | 44.90%
U.S. [Member] |  |  |  |  |
Effective Income Tax Rate Reconciliation, Amount |  |  |  |  |
Income tax expense (benefit) at statutory rates |  | $ 2,460 | $ 215 |  | $ (435)
U.S. state and Canadian provincial tax expense, net of federal income tax effect |  | 182 | 16 |  | (33)
Permanent differences |  | (61) | (34) |  | (23)
Changes in tax law |  |  | (10) | [1] | 0
CARES Act | [2] |  | (56) |  | (360)
GILTI tax |  | 413 | 125 |  |
Lapse of federal statute of limitations |  |  |  |  | (39)
Foreign tax credits |  | (396) | (103) |  |
Repatriation withholding tax |  | 51 |  |  |
Settlements |  |  | (22) |  |
Tax effects of income associated with noncontrolling interests |  | (78) | (74) |  | (66)
Other, net |  | (27) | (7) |  | 7
Income tax expense (benefit) |  | $ 2,544 | $ 50 |  | $ (949)
Effective Income Tax Rate Reconciliation, Percent |  |  |  |  |
Income tax expense (benefit) at statutory rates (percent) |  | 21.00% | 21.00% |  | 21.00%
U.S. state and Canadian provincial tax expense (benefit), net of federal income tax effect (percent) |  | 1.60% | 1.60% |  | 1.60%
Permanent differences (percent) |  | (0.50%) | (3.30%) |  | 1.10%
Change in tax law (percent) |  |  | (1.00%) | [1] | 0.00%
CARES Act (percent) | [2] |  | (5.50%) |  | 17.40%
GILTI tax (percent) |  | 3.50% | 12.20% |  |
Lapse of federal statute of limitations (percent) |  |  |  |  | 1.80%
Foreign tax credits (percent) |  | (3.40%) | (10.10%) |  |
Repatriation withholding tax (percent) |  | 0.40% |  |  |
Settlements (percent) |  |  | (2.10%) |  |
Tax effects of income associated with noncontrolling interests (percent) |  | (0.70%) | (7.20%) |  | 3.20%
Other, net (percent) |  | (0.20%) | (0.70%) |  | (0.30%)
Income tax expense (benefit) (percent) |  | 21.70% | 4.90% |  | 45.80%
Foreign [Member] |  |  |  |  |
Effective Income Tax Rate Reconciliation, Amount |  |  |  |  |
Income tax expense (benefit) at statutory rates |  | $ 611 | $ 73 |  | $ (10)
U.S. state and Canadian provincial tax expense, net of federal income tax effect |  | 255 | 53 |  | 27
Permanent differences |  | (16) | (14) |  | 15
Changes in tax law |  |  | 74 | [1] | 21
CARES Act | [2] |  | 0 |  | 0
GILTI tax |  | 0 | 0 |  |
Lapse of federal statute of limitations |  |  |  |  | 0
Foreign tax credits |  | 0 | 0 |  |
Repatriation withholding tax |  | 0 |  |  |
Settlements |  |  | 0 |  |
Tax effects of income associated with noncontrolling interests |  | 25 | 30 |  | (8)
Other, net |  | 9 | (11) |  | 1
Income tax expense (benefit) |  | $ 884 | $ 205 |  | $ 46
Effective Income Tax Rate Reconciliation, Percent |  |  |  |  |
Income tax expense (benefit) at statutory rates (percent) |  | 17.00% | 14.00% |  | (16.10%)
U.S. state and Canadian provincial tax expense (benefit), net of federal income tax effect (percent) |  | 7.10% | 10.20% |  | 43.50%
Permanent differences (percent) |  | (0.50%) | (2.70%) |  | 24.20%
Change in tax law (percent) |  |  | 14.20% | [1] | 33.90%
CARES Act (percent) | [2] |  | 0.00% |  | 0.00%
GILTI tax (percent) |  | 0.00% | 0.00% |  |
Lapse of federal statute of limitations (percent) |  |  |  |  | 0.00%
Foreign tax credits (percent) |  | 0.00% | 0.00% |  |
Repatriation withholding tax (percent) |  | 0.00% |  |  |
Settlements (percent) |  |  | 0.00% |  |
Tax effects of income associated with noncontrolling interests (percent) |  | 0.70% | 5.80% |  | (12.90%)
Other, net (percent) |  | 0.30% | (2.10%) |  | 1.60%
Income tax expense (benefit) (percent) |  | 24.60% | 39.40% |  | 74.20%
[1] | During the three months ended June 30, 2021, certain statutory income tax rate changes (primarily an increase in the U.K. rate from 19 percent to 25 percent effective in 2023) were enacted that resulted in the remeasurement of our deferred tax liabilities and related deferred income tax expense.
[2] | See “CARES Act” on page 123 for a discussion of significant changes in tax law in the U.S. that were enacted in 2020.

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to lapse of applicable statute of limitations. + References No definition available. + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to lapse of applicable statute of limitations. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the expected tax NOL carryback provided for under the CARES Act. + References No definition available. + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the expected tax NOL carryback provided for under the CARES Act. + References No definition available. + Details
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