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v3.22.4

Investments (Collectively Significant Equity Method Investments - Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | $ 25,700 |  |
Unfunded Commitments For Investments Accounted For Under Equity Method | 7,800 |  |
Total Assets | 666,611 | $ 759,708 |
Total Liabilities | 639,324 | 691,959 |
Net income (loss) | 2,558 | 6,575 | $ 5,418
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets | 1,200,000 | 1,100,000 |
Total Liabilities | 148,900 | 149,400 |
Net income (loss) | $ (11,800) | $ 231,000 | $ 41,600

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