Variable Interest Entities (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Variable interest entities
Assets	$ 171,703	$ 165,883
Liabilities	166,017	160,016
Consolidated investment entities
Variable interest entities
UnfundedCommitments	36	13
VIE, not primary beneficiary | Investment in non-consolidated CLOs
Variable interest entities
Assets	1	3
VIE, not primary beneficiary | Property funds
Variable interest entities
Assets	26	23
VIE, not primary beneficiary | Sponsored hedge funds and private equity funds
Variable interest entities
Assets	0	0
VIE, not primary beneficiary | Non-U.S. series funds
Variable interest entities
Assets	27	20
VIE, not primary beneficiary | Affordable housing partnerships
Variable interest entities
Assets	166	200
Liabilities	$ 9	$ 9