Variable Interest Entities - Fair Value of Assets and Liabilities (Details) - Consolidated investment entities - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Liabilities
Debt	$ 2,222	$ 2,363
Recurring basis
Assets
Investments	2,166	2,354
Receivables	29	20
Other assets	0	2
Total assets at fair value	2,195	2,376
Liabilities
Debt	2,222	2,363
Other liabilities	37	119
Total liabilities at fair value	2,259	2,482
Recurring basis | Corporate debt securities
Assets
Investments	39	35
Recurring basis | Common stocks
Assets
Investments	6	3
Recurring basis | Syndicated loans
Assets
Investments	2,121	2,316
Recurring basis | Level 1
Assets
Investments	0	0
Receivables	0	0
Other assets	0	0
Total assets at fair value	0	0
Liabilities
Debt	0	0
Other liabilities	0	0
Total liabilities at fair value	0	0
Recurring basis | Level 1 | Corporate debt securities
Assets
Investments	0	0
Recurring basis | Level 1 | Common stocks
Assets
Investments	0	0
Recurring basis | Level 1 | Syndicated loans
Assets
Investments	0	0
Recurring basis | Level 2
Assets
Investments	2,112	2,229
Receivables	29	20
Other assets	0	1
Total assets at fair value	2,141	2,250
Liabilities
Debt	2,222	2,363
Other liabilities	37	119
Total liabilities at fair value	2,259	2,482
Recurring basis | Level 2 | Corporate debt securities
Assets
Investments	39	35
Recurring basis | Level 2 | Common stocks
Assets
Investments	6	3
Recurring basis | Level 2 | Syndicated loans
Assets
Investments	2,067	2,191
Recurring basis | Level 3
Assets
Investments	54	125
Receivables	0	0
Other assets	0	1
Total assets at fair value	54	126
Liabilities
Debt	0	0
Other liabilities	0	0
Total liabilities at fair value	0	0
Recurring basis | Level 3 | Corporate debt securities
Assets
Investments	0	0
Recurring basis | Level 3 | Common stocks
Assets
Investments	0	0
Recurring basis | Level 3 | Syndicated loans
Assets
Investments	54	125
CLOs
Liabilities
Debt	$ 2,200	$ 2,400