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Cash and cash equivalents and Investment Securities - Summary of Investments in Short-Term Debt Securities (Detail) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
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Disclosure of detailed information about borrowings [abstract] |  |
Investment in equity securities | $ 145 | $ 134
Investment in debt securities | 20 | 27
Non-current investments | 166 | 161
Investment in debt securities | 353 | 306
Current investments | $ 353 | $ 306

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