v3.25.4
Financial Instruments - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
interest_rate_swap
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Feb. 28, 2026
USD ($)
Derivative [Line Items]        
Total Swap Notional Amount $ 40,291 $ 38,560    
Pretax net unrealized losses on derivatives maturing within the next 12 months estimated to be reclassified from AOCI to sales 178      
Equity investments without readily determinable fair values 831 863    
Unrealized gains recognized on investments in equity securities without readily determinable fair value 3 19    
Unrealized losses recognized on investments in equity securities without readily determinable fair values 70 51    
Cumulative upward price adjustment 292      
Cumulative downward price adjustment 166      
Income from investments in equity securities, net (368) (14) $ (340)  
Fair value of loans payable and long-term debt, including current portion 45,600 32,600    
Debt, carrying amount 49,300 37,100    
Factored accounts receivable 1,600 2,100    
Cash collateral received from counterparties $ 1 165    
Interest rate swap contracts        
Derivative [Line Items]        
Number of interest rate swaps held | interest_rate_swap 7      
Interest rate swap contracts | Subsequent Event        
Derivative [Line Items]        
Total Swap Notional Amount       $ 250
Equity Funds        
Derivative [Line Items]        
Equity securities held through ownership interests in investment funds $ 224 267 417  
Income from investments in equity securities, net 55 29 $ 106  
Accounts Receivable Factoring Collections        
Derivative [Line Items]        
Funds collected from factoring of receivable, held in restricted cash $ 45 55    
Customer Concentration Risk | Accounts Receivable | McKesson Corporation        
Derivative [Line Items]        
Percentage of accounts receivable represented by customers with largest balances 22.00%      
Customer Concentration Risk | Accounts Receivable | Cencora, Inc.        
Derivative [Line Items]        
Percentage of accounts receivable represented by customers with largest balances 21.00%      
Customer Concentration Risk | Accounts Receivable | Cardinal Health, Inc.        
Derivative [Line Items]        
Percentage of accounts receivable represented by customers with largest balances 13.00%      
Level 2        
Derivative [Line Items]        
Cash equivalents $ 13,800 12,300    
Derivatives Designated as Hedging Instruments        
Derivative [Line Items]        
Total Swap Notional Amount 14,712 12,465    
Derivatives Not Designated as Hedging Instruments        
Derivative [Line Items]        
Total Swap Notional Amount $ 25,579 $ 26,095    
Maximum | Derivatives Designated as Hedging Instruments        
Derivative [Line Items]        
Maximum planning cycle of hedges (less than) 2 years      
Maximum | Derivatives Not Designated as Hedging Instruments        
Derivative [Line Items]        
Maximum planning cycle of hedges (less than) 6 months