Variable Interest Entities - Additional Information (Details) $ in Millions	Mar. 31, 2022 USD ($) entity	Dec. 31, 2021 USD ($)
Investments In Variable Interest Entities [Abstract]
Number of consolidated entities | entity	4
Variable Interest Entity [Line Items]
Maximum exposure to loss in unconsolidated VIEs	$ 1,231	$ 1,233
Total assets	220,355	211,478
Consolidated
Variable Interest Entity [Line Items]
Maximum exposure to loss in unconsolidated VIEs	907
Total assets	926	812
Unconsolidated
Variable Interest Entity [Line Items]
Total assets	$ 1,237	$ 1,239