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Investments in Unconsolidated Affiliates (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Investments in and Advances to Affiliates [Line Items]
(Loss) income from investments in unconsolidated affiliates	$ 3,000,000	$ 128,000,000	$ (9,000,000)	$ 234,000,000
Tax expense	181,000,000	$ 137,000,000	305,000,000	235,000,000
Term loan facility | Variable-Rate Term Loan Facilities Due March 2023 | Line of Credit | Lending Joint Ventures
Investments in and Advances to Affiliates [Line Items]
Maximum borrowing capacity	437,000,000		437,000,000
Long-term debt	33,000,000		33,000,000
Revolving Credit Facility | Line of Credit
Investments in and Advances to Affiliates [Line Items]
Maximum borrowing capacity	6,000,000,000		6,000,000,000
Revolving Credit Facility | Variable-Rate Revolving Credit Facilities Due March 2023 | Line of Credit | Lending Joint Ventures
Investments in and Advances to Affiliates [Line Items]
Maximum borrowing capacity	$ 83,000,000		$ 83,000,000
defi SOLUTIONS Group
Investments in and Advances to Affiliates [Line Items]
(Loss) income from investments in unconsolidated affiliates				80,000,000
Tax expense				$ 19,000,000

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