v3.26.1
Debt and Financing Arrangements (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Fair value of long-term debt, excluding current portion $ 6,100 $ 6,300
Long-term debt $ 6,457 $ 6,606
Weighted average interest rate on short term borrowings (as a percent) 4.00% 4.00%
Line of Credit    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 12,400 $ 12,300
Unused lines of credit 8,400 9,400
Commercial Paper    
Debt Instrument [Line Items]    
Maximum borrowing capacity 5,100  
Amount utilized from lines of credit facility $ 1,600 $ 715