v3.26.3
Debt and lines of credit - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Debt Instrument [Line Items]          
Commercial paper $ 0 $ 0   $ 0  
Repayment of debt       500,000,000 $ 750,000,000
Interest and debt expense   141,000,000 $ 141,000,000 423,000,000 402,000,000
Interest costs capitalized   3,000,000 $ 3,000,000 9,000,000 $ 9,000,000
Notes due 2026 at 1.125%          
Debt Instrument [Line Items]          
Repayment of debt 500,000,000        
Revolving credit facility          
Debt Instrument [Line Items]          
Line of credit facility, maximum borrowing capacity 1,000,000,000 1,000,000,000   1,000,000,000  
Delayed Draw Term Loan          
Debt Instrument [Line Items]          
Line of credit facility, maximum borrowing capacity $ 5,000,000,000 $ 5,000,000,000   $ 5,000,000,000