v3.24.1.u1
Financial Instruments and Fair Value Measures - Debt and Credit Facilities (Details) - USD ($)
$ in Millions
1 Months Ended 2 Months Ended 3 Months Ended
Mar. 31, 2023
Jan. 31, 2023
Feb. 28, 2023
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Dec. 21, 2023
Dec. 06, 2023
Short-Term Borrowings [Line Items]                
Short-term borrowings       $ 3   $ 0    
Proceeds from Short-Term Debt       5,008 $ 0      
Repayments of other short-term borrowings       5,005 $ 0      
Commercial paper                
Short-Term Borrowings [Line Items]                
Short-term borrowings       $ 0   0    
Short-Term Debt, Weighted Average Interest Rate, over Time       5.54%        
Proceeds from Short-Term Debt       $ 1,700        
Repayments of Short-Term Debt       $ 1,700        
December 2023 Bridge Credit Facility                
Short-Term Borrowings [Line Items]                
Line of Credit Facility, Maximum Borrowing Capacity               $ 9,000
364-day Term Loan Credit Agreement                
Short-Term Borrowings [Line Items]                
Line of Credit Facility, Maximum Borrowing Capacity             $ 5,000  
Term loan facilities                
Debt and Credit Facilities [Line Items]                
Long-Term Debt, Weighted Average Interest Rate, over Time       6.29%        
Floating rate notes due 2023, refinanced | Term loan facilities                
Debt and Credit Facilities [Line Items]                
Repayments of long-term debt   $ 1,000            
2.8% senior notes due 2023 | Senior notes                
Debt and Credit Facilities [Line Items]                
Repayments of long-term debt $ 350              
Stated interest rate (as a percent)       2.80%        
Senior Notes Issued in 2024                
Debt and Credit Facilities [Line Items]                
Debt Issuance Costs, Gross       $ 99        
Debt Instrument, Unamortized Discount       37        
Senior Notes Issued in 2024 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       15,000        
Senior notes due 2027 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       2,250        
4.80% Senior Notes due 2029 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       2,500        
4.95% Senior Notes due 2031 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       2,000        
5.05% Senior Notes due 2034 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       3,000        
5.35% Senior Notes due 2044 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       750        
5.40% Senior Notes due 2054 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       3,000        
5.50% Senior Notes due 2064 | Senior notes                
Debt and Credit Facilities [Line Items]                
Aggregate principal amount of debt       $ 1,500        
December 2023 Term Loan Credit Agreement                
Debt and Credit Facilities [Line Items]                
Debt Instrument, Basis Spread on Variable Rate       0.975%        
Short-Term Borrowings [Line Items]                
Proceeds from Other Short-Term Debt       $ 5,000        
Repayments of other short-term borrowings       5,000        
Revolving Credit Facility                
Short-Term Borrowings [Line Items]                
Line of Credit Facility, Expiration Period 5 years   5 years          
Line of Credit Facility, Maximum Borrowing Capacity     $ 4,000 5,000        
Long-Term Line of Credit       $ 0   $ 0