v3.26.1
Financing (Components of Debt) (Details)
€ in Millions, SFr in Millions, $ in Millions, ¥ in Billions
Jun. 26, 2026
USD ($)
Jun. 26, 2026
EUR (€)
Jun. 26, 2026
CHF (SFr)
Jun. 26, 2026
JPY (¥)
Jun. 03, 2026
CHF (SFr)
Apr. 23, 2026
EUR (€)
Mar. 18, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
CHF (SFr)
Dec. 31, 2025
JPY (¥)
Debt Instrument [Line Items]                      
Subtotal $ 26,558             $ 18,418      
Less: currently payable (1,411)             (2)      
Long-term debt 25,147             18,416      
Euro-Denominated Commercial Paper [Member]                      
Debt Instrument [Line Items]                      
Long-term debt 4,700                    
Other                      
Debt Instrument [Line Items]                      
Subtotal 1             1      
Senior notes | Euro-denominated commercial paper (€4.1 billion and €933 million, respectively)                      
Debt Instrument [Line Items]                      
Subtotal $ 0             $ 1,469      
Interest rate of debt instrument 0.20% 0.20% 0.20% 0.20%       0.20% 0.20% 0.20% 0.20%
Aggregate principal amount | €   € 1,300         € 1,300   € 1,300    
Senior notes | 2.1% senior unsecured notes due 9/30/2026 (€800 million) (the “2026 Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 912             $ 940      
Interest rate of debt instrument 2.10% 2.10% 2.10% 2.10%       2.10% 2.10% 2.10% 2.10%
Aggregate principal amount | €   € 800             € 800    
Senior notes | 0.4773% senior unsecured bonds due 4/9/2027 (CHF 250 million) (the “2027 CHF Bonds”)(f)                      
Debt Instrument [Line Items]                      
Subtotal $ 308             $ 315      
Interest rate of debt instrument 0.4773% 0.4773% 0.4773% 0.4773%       0.4773% 0.4773% 0.4773% 0.4773%
Aggregate principal amount | SFr     SFr 250             SFr 250  
Senior notes | 0.3% senior unsecured notes due 5/11/2027 (¥30.8 billion) (the “2027 Yen Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 190             $ 196      
Interest rate of debt instrument 0.30% 0.30% 0.30% 0.30%       0.30% 0.30% 0.30% 0.30%
Aggregate principal amount | ¥       ¥ 30.8             ¥ 30.8
Senior notes | 1.2% senior unsecured notes due 6/30/2027 (€600 million) (the “2027 Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 683             $ 704      
Interest rate of debt instrument 1.20% 1.20% 1.20% 1.20%       1.20% 1.20% 1.20% 1.20%
Aggregate principal amount | €   € 600             € 600    
Senior notes | 0.45% senior unsecured notes due 3/18/2028 (€1.3 billion) (the “2028 Biopharma Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 1,421             $ 1,466      
Interest rate of debt instrument 0.45% 0.45% 0.45% 0.45%       0.45% 0.45% 0.45% 0.45%
Aggregate principal amount | €   € 1,300             € 1,300    
Senior notes | Floating rate senior unsecured notes due 4/29/2028 (€500 million) (the “2028 Floating Rate Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 567             $ 0      
Aggregate principal amount | €   € 500       € 500     € 500    
Senior notes | 0.8875% senior unsecured bonds due 10/10/2029 (CHF 325 million) (the “2029 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 400             $ 409      
Interest rate of debt instrument 0.8875% 0.8875% 0.8875% 0.8875%       0.8875% 0.8875% 0.8875% 0.8875%
Aggregate principal amount | SFr     SFr 325             SFr 325  
Senior notes | 2.6% senior unsecured notes due 11/15/2029 ($800 million) (the “2029 Biopharma Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 798             $ 798      
Interest rate of debt instrument 2.60% 2.60% 2.60% 2.60%       2.60% 2.60% 2.60% 2.60%
Aggregate principal amount $ 800             $ 800      
Senior notes | 2.5% senior unsecured notes due 3/30/2030 (€800 million) (the “2030 Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 911             $ 940      
Interest rate of debt instrument 2.50% 2.50% 2.50% 2.50%       2.50% 2.50% 2.50% 2.50%
Aggregate principal amount | €   € 800             € 800    
Senior notes | 3.250% senior unsecured notes due 4/29/2030 (€750 million) (the “2030 Euronotes II”)                      
Debt Instrument [Line Items]                      
Subtotal $ 849             $ 0      
Interest rate of debt instrument 3.25% 3.25% 3.25% 3.25%   3.25%   3.25% 3.25% 3.25% 3.25%
Aggregate principal amount | €   € 750       € 750     € 750    
Senior notes | 1.65% senior unsecured bonds due 6/3/2031 (CHF 120 million) (the “2031 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 147             $ 0      
Interest rate of debt instrument 1.65% 1.65% 1.65% 1.65% 1.65%     1.65% 1.65% 1.65% 1.65%
Aggregate principal amount | SFr     SFr 120   SFr 120         SFr 120  
Senior notes | 0.75% senior unsecured notes due 9/18/2031 (€1.8 billion) (the “2031 Biopharma Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 1,987             $ 2,050      
Interest rate of debt instrument 0.75% 0.75% 0.75% 0.75%       0.75% 0.75% 0.75% 0.75%
Aggregate principal amount | €   € 1,800             € 1,800    
Senior notes | 0.65% senior unsecured notes due 5/11/2032 (¥53.2 billion) (the “2032 Yen Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 328             $ 339      
Interest rate of debt instrument 0.65% 0.65% 0.65% 0.65%       0.65% 0.65% 0.65% 0.65%
Aggregate principal amount | ¥       ¥ 53.2             ¥ 53.2
Senior notes | 1.88% senior unsecured bonds due 6/3/2033 (CHF 137 million) (the “2033 CHF Bonds II”)                      
Debt Instrument [Line Items]                      
Subtotal $ 169             $ 0      
Interest rate of debt instrument 1.88% 1.88% 1.88% 1.88% 1.88%     1.88% 1.88% 1.88% 1.88%
Aggregate principal amount | SFr     SFr 137   SFr 137         SFr 137  
Senior notes | 1.265% senior unsecured bonds due 10/10/2033 (CHF 325 million) (the “2033 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 400             $ 408      
Interest rate of debt instrument 1.265% 1.265% 1.265% 1.265%       1.265% 1.265% 1.265% 1.265%
Aggregate principal amount | SFr     SFr 325             SFr 325  
Senior notes | 3.625% senior unsecured notes due 4/29/2034 (€750 million) (the “2034 Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 848             $ 0      
Interest rate of debt instrument 3.625% 3.625% 3.625% 3.625%   3.625%   3.625% 3.625% 3.625% 3.625%
Aggregate principal amount | €   € 750       € 750     € 750    
Senior notes | 2.10% senior unsecured bonds due 6/3/2036 (CHF 221 million) (the 2036 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 272             $ 0      
Interest rate of debt instrument 2.10% 2.10% 2.10% 2.10% 2.10%     2.10% 2.10% 2.10% 2.10%
Aggregate principal amount | SFr     SFr 221   SFr 221         SFr 221  
Senior notes | 1.6249% senior unsecured bonds due 10/9/2037 (CHF 225 million) (the “2037 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 276             $ 282      
Interest rate of debt instrument 1.6249% 1.6249% 1.6249% 1.6249%       1.6249% 1.6249% 1.6249% 1.6249%
Aggregate principal amount | SFr     SFr 225             SFr 225  
Senior notes | 4.000% senior unsecured notes due 4/29/2038 (€1.0 billion) the (“2038 Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 1,130             $ 0      
Interest rate of debt instrument 4.00% 4.00% 4.00% 4.00%   4.00%   4.00% 4.00% 4.00% 4.00%
Aggregate principal amount | €   € 1,000       € 1,000     € 1,000    
Senior notes | 2.25% senior unsecured bonds due 6/3/2038 (CHF 373 million) (the “2038 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 457             $ 0      
Interest rate of debt instrument 2.25% 2.25% 2.25% 2.25% 2.25%     2.25% 2.25% 2.25% 2.25%
Aggregate principal amount | SFr     SFr 373   SFr 373         SFr 373  
Senior notes | 1.35% senior unsecured notes due 9/18/2039 (€1.3 billion) (the “2039 Biopharma Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 1,410             $ 1,456      
Interest rate of debt instrument 1.35% 1.35% 1.35% 1.35%       1.35% 1.35% 1.35% 1.35%
Aggregate principal amount | €   € 1,300             € 1,300    
Senior notes | 3.25% senior unsecured notes due 11/15/2039 ($900 million) (the “2039 Biopharma Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 892             $ 892      
Interest rate of debt instrument 3.25% 3.25% 3.25% 3.25%       3.25% 3.25% 3.25% 3.25%
Aggregate principal amount $ 900             $ 900      
Senior notes | 2.38% senior unsecured bonds due 6/3/2041 (CHF 648 million) (the “2041 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 795             $ 0      
Interest rate of debt instrument 2.38% 2.38% 2.38% 2.38% 2.38%     2.38% 2.38% 2.38% 2.38%
Aggregate principal amount | SFr     SFr 648   SFr 648         SFr 648  
Senior notes | 2.38% senior unsecured bonds due 6/3/2041 (CHF 648 million) (the “2041 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 500             $ 500      
Interest rate of debt instrument 4.375% 4.375% 4.375% 4.375%       4.375% 4.375% 4.375% 4.375%
Aggregate principal amount $ 500             $ 500      
Senior notes | 2.38% senior unsecured bonds due 6/3/2041 (CHF 648 million) (the “2041 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 153             $ 157      
Interest rate of debt instrument 1.94% 1.94% 1.94% 1.94%       1.94% 1.94% 1.94% 1.94%
Aggregate principal amount | SFr     SFr 125             SFr 125  
Senior notes | 2.51% senior unsecured bonds due 6/3/2046 (CHF 502 million) (the 2046 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 616             $ 0      
Interest rate of debt instrument 2.51% 2.51% 2.51% 2.51% 2.51%     2.51% 2.51% 2.51% 2.51%
Aggregate principal amount | SFr     SFr 502   SFr 502         SFr 502  
Senior notes | 1.8% senior unsecured notes due 9/18/2049 (€750 million) (the “2049 Biopharma Euronotes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 845             $ 873      
Interest rate of debt instrument 1.80% 1.80% 1.80% 1.80%       1.80% 1.80% 1.80% 1.80%
Aggregate principal amount | €   € 750             € 750    
Senior notes | 3.4% senior unsecured notes due 11/15/2049 ($900 million) (the “2049 Biopharma Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 891             $ 891      
Interest rate of debt instrument 3.40% 3.40% 3.40% 3.40%       3.40% 3.40% 3.40% 3.40%
Aggregate principal amount $ 900             $ 900      
Senior notes | 2.6% senior unsecured notes due 10/01/2050 ($1.0 billion) (the “2050 U.S. Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 983             $ 983      
Interest rate of debt instrument 2.60% 2.60% 2.60% 2.60%       2.60% 2.60% 2.60% 2.60%
Aggregate principal amount $ 1,000             $ 1,000      
Senior notes | 2.8% senior unsecured notes due 12/10/2051 ($1.0 billion) (the “2051 U.S. Notes”)                      
Debt Instrument [Line Items]                      
Subtotal $ 986             $ 985      
Interest rate of debt instrument 2.80% 2.80% 2.80% 2.80%       2.80% 2.80% 2.80% 2.80%
Aggregate principal amount $ 1,000             $ 1,000      
Senior notes | 2.50% senior unsecured bonds due 6/3/2056 (CHF 382 million) (the 2056 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 469             $ 0      
Interest rate of debt instrument 2.50% 2.50% 2.50% 2.50% 2.50%     2.50% 2.50% 2.50% 2.50%
Aggregate principal amount | SFr     SFr 382   SFr 382         SFr 382  
Bonds | 1.125% senior unsecured bonds due 12/08/2028 (CHF 210 million) (the “2028 CHF Bonds”)                      
Debt Instrument [Line Items]                      
Subtotal $ 261             $ 267      
Interest rate of debt instrument 1.125% 1.125% 1.125% 1.125%       1.125% 1.125% 1.125% 1.125%
Aggregate principal amount | SFr     SFr 210             SFr 210