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Fair Value Measurement - Summary of Financial Instrument Measured on a Basis Other Than Fair Value (Detail) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total [1] $ 16,357 $ 17,496
Senior Notes And Sustainability Linked Senior Notes [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total [1] 15,938 15,717
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] $ 419 $ 1,779
[1] The fair value was estimated based on quoted market prices.