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Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Tax Credit Carryforward [Line Items] |  |  |
Deferred tax assets valuation allowance | $ 706 | $ 115 |
Deferred tax assets | 5,346 | 2,238 |
Tax Cuts and Jobs Act of 2017 transition tax long term income taxes payable | 218 | 380 |
Tax Cuts and Jobs Act of 2017 transition tax in current accrued income taxes payable | 189 | 126 |
Unrecognized tax benefits that would affect the effective tax rate | 884 |  |
Interest and penalties related to unrecognized tax benefits, expense (benefit) recognized on a gross basis | 76 | 1 | $ 14
Interest and penalties related to unrecognized tax benefits, accrued on a gross basis | 188 | 116 |
Income tax benefits attributable to reduced tax rates or exemptions in foreign locations | $ 112 | $ 170 | $ 204
EPS impact of reduced tax rates or exemptions in foreign locations (in dollars per share) | $ 20 | $ 30 | $ 36
Previously undistributed earnings from non-U.S. subsidiaries permanently reinvested | $ 16,100 |  |
Reinvested earnings that may be repatriated from non-U.S. subsidiaries | 7,800 |  |
Undistributed earnings from non-U.S. subsidiaries permanently reinvested | 8,300 |  |
PWS Settlement |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Deferred tax assets | 3,600 |  |
Federal jurisdiction |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers | $ 167 |  |
Federal jurisdiction | Minimum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years) | 1 year |  |
Federal jurisdiction | Maximum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years) | 10 years |  |
State jurisdiction |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers | $ 78 |  |
State jurisdiction | Minimum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years) | 1 year |  |
State jurisdiction | Maximum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years) | 11 years |  |
International jurisdiction |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers | $ 65 |  |
International jurisdiction | Minimum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years) | 1 year |  |

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