Derivative Instruments and Hedging Activities - Offsetting Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative liabilities
Derivative liabilities, gross amount	$ 4,550	$ 1,868
Derivative liabilities, offsetting financial instruments	(759)	(252)
Derivative liabilities, offsetting cash collateral	(476)	(292)
Total derivative liabilities	3,315	1,324
Derivative liabilities, securities collateral not netted	(85)	0
Net exposure	3,230	1,324
Repurchase agreements
Gross amounts	883	820
Repurchase agreements, securities sold, offset	0	0
Repurchase agreements, cash collateral pledged, offset	0	0
Net amounts as recognized	883	820
Repurchase agreements, securities collateral not netted	(883)	(820)
Net exposure	0	0
Derivative, collateral, obligation to return cash	608	377
Derivative, collateral, obligation to return securities	82	1
Derivative, collateral, right to reclaim cash	2,300	2,000
Securities sold under repurchase agreements, fair value of collateral	$ 900	$ 836