Variable Interest Entities - Schedule of Assets and Liabilities (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Assets	$ 14,695	$ 14,326
Liabilities	8,078	7,674
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Assets	314	442
Liabilities	355	469
Variable Interest Entity, Primary Beneficiary | Fund investments | Cash and cash equivalents
Variable Interest Entity [Line Items]
Assets	169	2
Variable Interest Entity, Primary Beneficiary | Fund investments | Corporate securities
Variable Interest Entity [Line Items]
Assets	85	47
Variable Interest Entity, Primary Beneficiary | Fund investments | Equity securities and warrants
Variable Interest Entity [Line Items]
Assets	43	17
Variable Interest Entity, Primary Beneficiary | Fund investments | Structured products
Variable Interest Entity [Line Items]
Assets	40	0
Variable Interest Entity, Primary Beneficiary | Fund investments | Obligations of state and political subdivisions
Variable Interest Entity [Line Items]
Assets	50	0
Variable Interest Entity, Primary Beneficiary | Fund investments | Due from brokers and counterparties
Variable Interest Entity [Line Items]
Assets	35	0
Variable Interest Entity, Primary Beneficiary | Fund investments | Other assets
Variable Interest Entity [Line Items]
Assets	1	0
Variable Interest Entity, Primary Beneficiary | CLO investments | Cash and cash equivalents
Variable Interest Entity [Line Items]
Assets	13	12
Variable Interest Entity, Primary Beneficiary | CLO investments | Due from brokers and counterparties
Variable Interest Entity [Line Items]
Assets	20	0
Variable Interest Entity, Primary Beneficiary | CLO investments | Short-term investments
Variable Interest Entity [Line Items]
Assets	30	0
Variable Interest Entity, Primary Beneficiary | CLO investments | Corporate Loans of CFE
Variable Interest Entity [Line Items]
Assets	878	494
Variable Interest Entity, Primary Beneficiary | CLO investments | Debt Securities At Fair Value Option
Variable Interest Entity [Line Items]
Assets	175	0
Variable Interest Entity, Primary Beneficiary | Assets of Consolidated Investment Vehicles
Variable Interest Entity [Line Items]
Assets	1,539	572
Variable Interest Entity, Primary Beneficiary | Liabilities of Consolidated Investment Vehicles
Variable Interest Entity [Line Items]
Liabilities	1,092	482
Variable Interest Entity, Primary Beneficiary | Liabilities of Consolidated Investment Vehicles | CLO obligations of CFE
Variable Interest Entity [Line Items]
Liabilities	$ 830	$ 481
CLO's weighted average maturity	5 years 7 months 6 days	12 years 9 months 18 days
CLO's weighted average interest rate	2.40%	3.80%
Variable Interest Entity, Primary Beneficiary | Liabilities of Consolidated Investment Vehicles | Long Term Debt
Variable Interest Entity [Line Items]
Liabilities	$ 47	$ 0
CLO's weighted average maturity	7 years
CLO's weighted average interest rate	1.90%
Variable Interest Entity, Primary Beneficiary | Liabilities of Consolidated Investment Vehicles | Securities sold short
Variable Interest Entity [Line Items]
Liabilities	$ 53	0
Variable Interest Entity, Primary Beneficiary | Liabilities of Consolidated Investment Vehicles | Due to brokers and counterparties
Variable Interest Entity [Line Items]
Liabilities	162	0
Variable Interest Entity, Primary Beneficiary | Liabilities of Consolidated Investment Vehicles | Other liabilities
Variable Interest Entity [Line Items]
Liabilities	0	1
Affiliated Entity | Assets of Consolidated Investment Vehicles | Investments
Variable Interest Entity [Line Items]
Assets	$ 44	$ 9