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Income Taxes Income Taxes - Operating Loss and Tax Credit Carryforwards (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards |  | $ 406 | $ 285
Tax Credit Carryforwards |  | 133 | 78
Total Operating Loss and Tax Credit Carryforwards | [1] | 539 | 363
Expiring within Five Years [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards |  | 103 | 127
Tax Credit Carryforwards |  | 59 | 15
Expiring After Five Years Or Having Indefinite Expiration [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards |  | 303 | 158
Tax Credit Carryforwards |  | $ 74 | $ 63
[1] | Primarily related to tax loss and credit carryforwards from operations in the United States, Switzerland, and Spain.

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-8 + Details
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