v3.26.1
Derivative instruments - Derivatives Gains and Losses (Details) - EBP 002 - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Derivative [Line Items]    
Net appreciation in fair value of investments $ 9,321,987,675 $ 8,081,983,060
Derivatives    
EBP, Derivative [Line Items]    
Net appreciation in fair value of investments 5,585,528 13,681,443
Interest rate    
EBP, Derivative [Line Items]    
Net appreciation in fair value of investments 6,088,320 9,461,323
Credit derivatives    
EBP, Derivative [Line Items]    
Net appreciation in fair value of investments 8,071 (14,545)
Foreign exchange    
EBP, Derivative [Line Items]    
Net appreciation in fair value of investments (1,789,123) 3,103,131
Equity    
EBP, Derivative [Line Items]    
Net appreciation in fair value of investments $ 1,278,260 $ 1,131,534