v3.26.1
Income and Other Taxes - Deferred Tax Asset and Liability (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Deferred Tax Assets And Liabilities [Line Items]      
Research and development $ 249 $ 227  
Post-retirement medical benefits 44 43  
Net operating losses 1,131 322  
Operating reserves, accruals and deferrals 183 232  
Tax credit carryforwards 90 80  
Disallowed interest expense carryforward 173 23  
Deferred and share-based compensation 24 22  
Pension 83 122  
Finance lease and installment sales 127 64  
Operating lease liabilities 75 33  
Other 63 45  
Subtotal 2,242 1,213  
Valuation allowance (1,933) (511)  
Total 309 702  
Intangibles and goodwill 180 84  
Depreciation 33 0  
Unremitted earnings of foreign subsidiaries 29 26  
Operating lease ROU assets 72 41  
Other 35 21  
Total 349 172  
Total Deferred tax (liability) asset, net (40)    
Total Deferred tax (liability) asset, net   530  
Deferred tax assets 98 615  
Deferred tax liabilities (138) (85)  
Valuation allowance, increase (decrease) in amount 1,422 $ 136 $ 9
Tax credit carryforwards 90    
Carryforwards with no expiration      
Deferred Tax Assets And Liabilities [Line Items]      
Tax credit carryforwards 1    
Deferred tax assets, operating loss carryforwards, not subject to expiration 1,600    
Carryforwards that expire      
Deferred Tax Assets And Liabilities [Line Items]      
Tax credit carryforwards 89    
Operating loss carryforwards $ 6,500