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Fair Value Measurement - Summary of Financial Instrument Measured on a Basis Other Than Fair Value (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total | [1] | $ 18,865 | $ 18,769
Senior Notes And Sustainability Linked Senior Notes [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total | [1] | 17,214 | 16,694
Senior Notes and Convertible Senior Debentures Included Under Short-Term Debt [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total | [1] | $ 1,651 | $ 2,075
[1] | The fair value was estimated based on quoted market prices.

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