Financial Instruments and Fair Value Measurements - Summary of Debt and Accrued Interest, Designated as Hedge (Detail) - Designated As Hedging Instrument [Member] - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| British Pound Sterling Senior Notes [Member] | ||
| Derivatives Fair Value [Line Items] | ||
| Senior Notes Outstanding | $ 1,871 | $ 1,837 |
| Canadian Dollar Senior Notes [Member] | ||
| Derivatives Fair Value [Line Items] | ||
| Senior Notes Outstanding | 2,410 | 1,793 |
| Chinese Renminbi Senior Notes [Member] | ||
| Derivatives Fair Value [Line Items] | ||
| Senior Notes Outstanding | $ 239 | $ 0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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