Variable Interest Entities - Fair Value of Assets and Liabilities (Details) - Consolidated investment entities - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Liabilities
Debt	$ 2,155	$ 2,363
Recurring basis
Assets
Investments	2,099	2,354
Receivables	28	20
Other assets	1	2
Total assets at fair value	2,128	2,376
Liabilities
Debt	2,155	2,363
Other liabilities	45	119
Total liabilities at fair value	2,200	2,482
Recurring basis | Corporate debt securities
Assets
Investments	40	35
Recurring basis | Common stocks
Assets
Investments	5	3
Recurring basis | Syndicated loans
Assets
Investments	2,054	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	2,036	2,229
Receivables	28	20
Other assets	1	1
Total assets at fair value	2,065	2,250
Liabilities
Debt	2,155	2,363
Other liabilities	45	119
Total liabilities at fair value	2,200	2,482
Recurring basis | Level 2 | Corporate debt securities
Assets
Investments	40	35
Recurring basis | Level 2 | Common stocks
Assets
Investments	5	3
Recurring basis | Level 2 | Syndicated loans
Assets
Investments	1,991	2,191
Recurring basis | Level 3
Assets
Investments	63	125
Receivables	0	0
Other assets	0	1
Total assets at fair value	63	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	63	125
CLOs
Liabilities
Debt	$ 2,100	$ 2,400