Variable Interest Entities - Fair Value of Assets and Liabilities (Details) - Consolidated investment entities - USD ($) $ in Millions		Sep. 30, 2021	Dec. 31, 2020
Liabilities
Debt	[1]	$ 2,163	$ 1,913
Recurring basis
Assets
Investments		2,170	1,918
Receivables		18	16
Other assets		2	2
Total assets at fair value		2,190	1,936
Liabilities
Debt	[1]	2,163	1,913
Other liabilities		71	69
Total liabilities at fair value		2,234	1,982
Recurring basis | Corporate debt securities
Assets
Investments			8
Recurring basis | Common stocks
Assets
Investments		2	1
Recurring basis | Syndicated loans
Assets
Investments		2,168	1,909
Recurring basis | Level 2
Assets
Investments		2,125	1,826
Receivables		18	16
Other assets		2
Total assets at fair value		2,145	1,842
Liabilities
Debt	[1]	2,163	1,913
Other liabilities		71	69
Total liabilities at fair value		2,234	1,982
Recurring basis | Level 2 | Corporate debt securities
Assets
Investments			8
Recurring basis | Level 2 | Common stocks
Assets
Investments		2	1
Recurring basis | Level 2 | Syndicated loans
Assets
Investments		2,123	1,817
Recurring basis | Level 3
Assets
Investments		45	92
Other assets			2
Total assets at fair value		45	94
Recurring basis | Level 3 | Syndicated loans
Assets
Investments		45	92
CLOs
Liabilities
Debt		$ 2,200	$ 2,000

[1] The carrying value of the CLOs’ debt is set equal to the fair value of the CLOs’ assets. The estimated fair value of the CLOs’ debt was $2.2 billion and $2.0 billion as of September 30, 2021 and December 31, 2020, respectively.