v3.26.3
Borrowings (Details)
SFr in Millions
1 Months Ended 9 Months Ended
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Oct. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Jan. 31, 2024
USD ($)
Apr. 30, 2023
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2026
CHF (SFr)
May 31, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
EUR (€)
Jan. 31, 2025
USD ($)
Dec. 31, 2023
USD ($)
Debt Instrument [Line Items]                              
Proceeds from issuance of debt $ 403,000,000                            
Debt instrument, covenant, total indebtedness to total capitalization ratio, maximum, percentage             0.60                
Debt instrument, covenant, acquisition for consideration, minimum threshold             $ 1,000,000,000                
Debt instrument, covenant, total indebtedness to total capitalization ratio, maximum when acquisition for consideration threshold is met, percentage             0.65                
Debt instrument, total indebtedness to total capitalization, percentage               0.43              
Debt instrument, redemption price, percentage 101.00%                            
Repayment of long-term debt               $ 700,000,000 $ 341,000,000            
Outstanding letters of credit               271,000,000       $ 272,000,000      
Minimum                              
Debt Instrument [Line Items]                              
Line of credit facility, unused capacity, commitment fee, percentage             0.06%                
Periodic payment amount               50,000,000              
Maximum                              
Debt Instrument [Line Items]                              
Line of credit facility, unused capacity, commitment fee, percentage             0.125%                
Line of Credit                              
Debt Instrument [Line Items]                              
Commercial paper               0       0      
Line of Credit | Revolving Credit Facility                              
Debt Instrument [Line Items]                              
Debt instrument, term     5 years                        
Line of credit facility, maximum borrowing capacity     $ 2,300,000,000                        
Line of credit facility, additional borrowings capacity available     750,000,000                        
Line of Credit | Revolving Credit Facility | Commitment Term Through July 2029                              
Debt Instrument [Line Items]                              
Line of credit facility, maximum borrowing capacity     2,148,000,000                        
Line of Credit | Revolving Credit Facility | Commitment Term Through July 2028                              
Debt Instrument [Line Items]                              
Line of credit facility, maximum borrowing capacity     $ 152,000,000                        
3.250% Notes due 2032                              
Debt Instrument [Line Items]                              
Debt instrument, face amount | €                         € 900,000,000    
Proceeds from issuance of debt       $ 940,000,000                      
Debt instrument, interest rate, stated percentage                         3.25%    
Debt instrument, redemption price, percentage       101.00%                      
Term Loan | Unsecured Debt                              
Debt Instrument [Line Items]                              
Debt instrument, face amount             $ 500,000,000                
Proceeds from issuance of debt         $ 300,000,000 $ 250,000,000 $ 500,000,000                
Debt instrument, increase                           $ 300,000,000 $ 250,000,000
Long-term line of credit               0       0      
Euro Credit Agreement | Line of Credit | Revolving Credit Facility                              
Debt Instrument [Line Items]                              
Line of credit facility, maximum borrowing capacity | €                     € 250,000,000        
Long-term line of credit               $ 0       $ 0      
1.2175% Notes Due 2030                              
Debt Instrument [Line Items]                              
Debt instrument, face amount | SFr                   SFr 180          
Debt instrument, interest rate, stated percentage                   1.2175%          
1.6648% Notes Due 2034                              
Debt Instrument [Line Items]                              
Debt instrument, face amount | SFr                   SFr 140          
Debt instrument, interest rate, stated percentage                   1.6648%          
1.2% Notes Due 2026                              
Debt Instrument [Line Items]                              
Debt instrument, interest rate, stated percentage   1.20%                          
Repayment of long-term debt   $ 700,000,000