v3.26.1
Income Taxes (Unaudited) Effective Income Tax Rate Reconciliation (Details 1) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Income Tax Disclosure [Abstract]            
Income Tax Expense (Benefit) $ 74   $ 253 $ 229 $ 350  
Federal and foreign income tax expense $ (74)   $ (253) $ (229) $ (350)  
Effective income tax rate 6.30%   17.70% 10.40% 17.50%  
Change in Federal and foreign income tax expense $ (179)     $ (121)    
Change in Federal and foreign income tax expense, percent (71.00%)     (35.00%)    
Increase (Decrease) in Earnings before Income Taxes $ (259)     $ 193    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount (176)   $ (68) (244) $ (103)  
Effective Income Tax Rate Reconciliation, FDDEI, Amount (10)   (12) (19) (18)  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense     18 25 34  
Tax expense, nondeductible Goodwill, amount     $ 17   $ 17  
Income Taxes Receivable 962     $ 962   $ 924
Income Tax Contingency [Line Items]            
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions $ 115          
IRS Notice 2026-7 [Member]            
Income Tax Disclosure [Abstract]            
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount   $ (19)        
Corporate Alternative Minimum Tax | OBBBA [Member]            
Effect of New Tax Legislation [Line Items]            
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax           $ 187
Corporate Alternative Minimum Tax | IRS Notice 2026-7 [Member]            
Effect of New Tax Legislation [Line Items]            
Increase (Decrease) in Deferred Income Taxes   $ (187)