v3.26.1
Financial Instruments - Fair Values of Outstanding Derivative Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative Assets:    
Assets $ 1,610 $ 732
Derivative Liabilities:    
Liabilities 890 379
Derivatives designated as hedging instruments: | Foreign exchange derivatives    
Derivative Assets:    
Assets 991 316
Derivative Liabilities:    
Liabilities 39 197
Derivatives not designated as hedging instruments:    
Derivative Assets:    
Assets 619 416
Derivative Liabilities:    
Liabilities 851 182
Derivatives not designated as hedging instruments: | Foreign exchange derivatives    
Derivative Assets:    
Assets 244 92
Derivative Liabilities:    
Liabilities 472 15
Derivatives not designated as hedging instruments: | Credit derivatives    
Derivative Assets:    
Assets 0 0
Derivative Liabilities:    
Liabilities 339 69
Derivatives not designated as hedging instruments: | Other derivatives    
Derivative Assets:    
Assets 375 324
Derivative Liabilities:    
Liabilities $ 40 $ 98