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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Contingency [Line Items] |  |  |
Decrease in Unrecognized Tax Benefits is Reasonably Possible | $ 101 |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 210 | $ 177 | $ 64
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 637 | $ 430 |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 2,000 |  |
Federal [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Description | indefinite |  |
Earliest Tax Year [Member] | State [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Expiration Date | Jan. 01, 2025 |  |
Latest Tax Year [Member] | State [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Expiration Date | Jan. 01, 2044 |  |

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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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