Derivative Instruments - Credit Derivatives (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Credit Derivatives - supplemental information
Tranche credit default swap realized credit loss protection	$ 1,000,000
Tranche credit default swap portfolio of exposure	10,000,000
Total credit derivatives and credit-related notes
Protection sold	(542,722,000,000)	$ (499,611,000,000)
Protection purchased with identical underlyings	574,875,000,000	537,766,000,000
Net protection (sold)/purchased	32,153,000,000	38,155,000,000
Other protection purchased	22,526,000,000	25,141,000,000
Total credit derivatives
Total credit derivatives and credit-related notes
Protection sold	(542,722,000,000)	(499,611,000,000)
Protection purchased with identical underlyings	574,875,000,000	537,766,000,000
Net protection (sold)/purchased	32,153,000,000	38,155,000,000
Other protection purchased	14,663,000,000	15,704,000,000
Credit default swaps
Total credit derivatives and credit-related notes
Protection sold	(495,557,000,000)	(443,481,000,000)
Protection purchased with identical underlyings	509,846,000,000	458,180,000,000
Net protection (sold)/purchased	14,289,000,000	14,699,000,000
Other protection purchased	2,917,000,000	2,269,000,000
Other credit derivatives
Total credit derivatives and credit-related notes
Protection sold	(47,165,000,000)	(56,130,000,000)
Protection purchased with identical underlyings	65,029,000,000	79,586,000,000
Net protection (sold)/purchased	17,864,000,000	23,456,000,000
Other protection purchased	11,746,000,000	13,435,000,000
Credit-related notes
Total credit derivatives and credit-related notes
Protection sold	0	0
Protection purchased with identical underlyings	0	0
Net protection (sold)/purchased	0	0
Other protection purchased	$ 7,863,000,000	$ 9,437,000,000