v3.26.1
Acquisitions and Divestitures: (Details)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
business
Jun. 30, 2026
USD ($)
Disposal Group, Not Discontinued Operations | Sale Of One Business And Certain Other Businesses      
Business Combination [Line Items]      
Pre tax loss on sale   $ 94  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Sale Of One Business      
Business Combination [Line Items]      
Number of businesses sold | business   1  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Sale Of One Business | Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest      
Business Combination [Line Items]      
Reclassification of currency translation losses from other comprehensive losses $ 3 $ 3 $ 6
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Certain Other Businesses      
Business Combination [Line Items]      
Total consideration for sale of businesses 121   121
Cash proceeds from sale of businesses 87    
Deferred consideration for sale of businesses $ 34   $ 34
Disposal Group, Held-for-Sale, Not Discontinued Operations | Certain Other Businesses      
Business Combination [Line Items]      
Disposal group assets   142  
Disposal group liabilities   $ 59