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Income Taxes (Income Taxes and Shareholders' Equity) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Current taxes: |  |  |
Federal | $ 0 | $ 0 | $ 0
State | 0 | 0 | 0
Foreign | 0 | 1 | 0
Deferred taxes: |  |  |
Federal | 0 | 0 | 0
Foreign | 0 | 0 | 0
Income Tax Expense (Benefit), Total | 0 | 1 | 0
Income taxes charged (credited) to shareholders' equity related to: |  |  |
Change in unrealized gains (losses) on AFS securities | 0 | 0 | 0
Change in AFS securities with OTTI | 0 | 0 | 0
Change in foreign currency translation | 0 | 0 | 0
Total income taxes charged (credited) to shareholders' equity | 0 | 0 | 0
Total effect of income taxes | $ 0 | $ 1 | $ 0

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- Definition Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -SubTopic 10 -Topic 740 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-9 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
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- Definition The sum of the tax effects of all items occurring during the period that have been charged or credited directly to other comprehensive income or to related components of shareholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-10 + Details
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