XML 84 R73.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value Measurement - Summary of Financial Instrument Measured on a Basis Other Than Fair Value (Detail) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total $ 21,925 $ 22,903
Senior Notes And Sustainability Linked Senior Notes [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total 19,858 21,477
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 $ 2,067 $ 1,426