Derivative Instruments - Credit Derivatives (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Maximum payout/Notional amount
Protection sold	$ (918,588)	$ (628,130)
Protection purchased with identical underlyings	1,011,473	736,530
Net protection (sold)/purchased	92,885	108,400
Other protection purchased	33,049	29,497
Total credit derivatives
Maximum payout/Notional amount
Protection sold	(918,588)	(628,130)
Protection purchased with identical underlyings	1,011,473	736,530
Net protection (sold)/purchased	92,885	108,400
Other protection purchased	18,941	16,335
Credit default swaps
Maximum payout/Notional amount
Protection sold	(724,598)	(503,480)
Protection purchased with identical underlyings	766,627	549,440
Net protection (sold)/purchased	42,029	45,960
Other protection purchased	6,942	6,840
Other credit derivatives
Maximum payout/Notional amount
Protection sold	(193,990)	(124,650)
Protection purchased with identical underlyings	244,846	187,090
Net protection (sold)/purchased	50,856	62,440
Other protection purchased	11,999	9,495
Credit-related notes
Maximum payout/Notional amount
Protection sold	0	0
Protection purchased with identical underlyings	0	0
Net protection (sold)/purchased	0	0
Other protection purchased	$ 14,108	$ 13,162