v3.25.3
Debt (Details)
$ in Millions
9 Months Ended
Jul. 24, 2025
USD ($)
tranche
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Debt Instrument      
Number of debt tranches issued | tranche 2    
Net proceeds of issuance, after the deduction of the underwriting discount and expenses   $ 1,233 $ 0
Senior Notes [Member]      
Debt Instrument      
Debt, principal amount $ 1,250    
Net proceeds of issuance, after the deduction of the underwriting discount and expenses 1,230    
Senior Notes [Member] | 5.70% Senior notes due July 24, 2055 [Member]      
Debt Instrument      
Debt, principal amount $ 750    
Interest rate (percent) 5.70%    
Percentage of principal amount at which redemption price may be set 100.00%    
Basis points added to current Treasury rate used in calculation of alternative redemption price 0.15%    
Senior Notes [Member] | 5.05% Senior notes due July 24, 2035 [Member]      
Debt Instrument      
Debt, principal amount $ 500    
Interest rate (percent) 5.05%    
Percentage of principal amount at which redemption price may be set 100.00%    
Basis points added to current Treasury rate used in calculation of alternative redemption price 0.15%