Derivative Financial Instruments - Offsetting Derivative Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Derivative assets
Gross Amount Recognized in the Condensed Consolidated Balance Sheets	$ 4,123	$ 2,896
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Derivatives	(1,587)	(837)
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral	(475)	(548)
Net Amount	2,061	1,511
Derivative liabilities
Gross Amount Recognized in the Condensed Consolidated Balance Sheets	4,378	2,013
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Derivatives	(1,587)	(837)
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral	(1,195)	(712)
Net Amount	$ 1,596	$ 464