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Fair Values (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Investment securities: |  |
Equity securities | $ 79 | $ 81
Debt securities | 2,512 | 21,550
Derivatives, gross | 590 | 629
Total Assets | 3,181 | 22,260
Liabilities |  |
Derivatives, gross | 139 | 702
Total Liabilities | 139 | 702
Fair Value, Inputs, Level 1 |  |
Investment securities: |  |
Equity securities | 78 | 80
Debt securities | 0 | 0
Derivatives, gross | 0 | 0
Total Assets | 78 | 80
Liabilities |  |
Derivatives, gross | 0 | 0
Total Liabilities | 0 | 0
Fair Value, Inputs, Level 2 |  |
Investment securities: |  |
Equity securities | 1 | 1
Debt securities | 2,480 | 21,550
Derivatives, gross | 590 | 629
Total Assets | 3,071 | 22,180
Liabilities |  |
Derivatives, gross | 139 | 702
Total Liabilities | 139 | 702
Fair Value, Inputs, Level 3 |  |
Investment securities: |  |
Equity securities | 0 | 0
Debt securities | 32 | 0
Derivatives, gross | 0 | 0
Total Assets | 32 | 0
Liabilities |  |
Derivatives, gross | 0 | 0
Total Liabilities | $ 0 | $ 0

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