v3.26.1
Acquisitions and Divestitures - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 21, 2026
Sep. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Business Combination [Line Items]              
Loss on business divestitures     $ 336 $ 3 $ 343 $ 3  
Disposal Group, Disposed of by Sale, Not Discontinued Operations              
Business Combination [Line Items]              
Loss on business divestitures             $ 159
Annual sales             $ 130
Loss on divestitures     $ 324        
Forecast              
Business Combination [Line Items]              
Proceeds from business acquisition   $ 700          
Madison Fire & Rescue | Subsequent Event              
Business Combination [Line Items]              
Total purchase price $ 1,950            
Percentage of voting equity interest acquired 50.10%            
Madison Fire & Rescue | Subsequent Event | Bain Capital              
Business Combination [Line Items]              
Redemption restriction period 5 years