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Investments in Unconsolidated Affiliates (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Investments in and Advances to Affiliates [Line Items]
(Loss) income from investments in unconsolidated affiliates	$ (12,000,000)	$ 106,000,000
Tax expense	124,000,000	98,000,000
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
Long-term debt	28,000,000
Revolving Credit Facility | Line of Credit
Investments in and Advances to Affiliates [Line Items]
Maximum borrowing capacity	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
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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