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Stock Option Plans - Stock Option Granted and Stock Option Compensation Expense (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Share-Based Payment Arrangement [Abstract] |  |
Stock options granted (in shares) | 1.5 | 0.8
Stock option compensation expense | $ 20 | $ 18

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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of noncash expense for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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