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Derivative Instruments - Schedule of Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financial Assets |  |
Gross amount of recognized assets | $ 14,598 | $ 11,867
Gross amounts offset | (3,806) | (4,453)
Net amount of assets | 10,792 | 7,414
Cash collateral | (7,182) | (5,229)
Non-cash collateral | (2,495) | (1,245)
Net amount | 1,115 | 940
Financial Liabilities |  |
Gross amount of recognized liabilities | 13,096 | 10,596
Gross amounts offset | (432) | (612)
Net amount of liabilities | 12,664 | 9,984
Cash collateral | (110) | (188)
Non-cash collateral | (75) | (167)
Net amount | 12,479 | 9,629
Excess non-cash collateral received | 817 | 1,300
Excess non-cash collateral pledged | 39 | 82
Derivative Instruments |  |
Financial Assets |  |
Gross amount of recognized assets | 13,483 | 10,927
Gross amounts offset | (3,806) | (4,453)
Net amount of assets | 9,677 | 6,474
Cash collateral | (7,182) | (5,229)
Non-cash collateral | (2,495) | (1,245)
Net amount | 0 | 0
Financial Liabilities |  |
Gross amount of recognized liabilities | 617 | 967
Gross amounts offset | (432) | (612)
Net amount of liabilities | 185 | 355
Cash collateral | (110) | (188)
Non-cash collateral | (75) | (167)
Net amount | 0 | 0
Embedded Derivative Instruments |  |
Financial Assets |  |
Gross amount of recognized assets | 1,115 | 940
Gross amounts offset | 0 | 0
Net amount of assets | 1,115 | 940
Cash collateral | 0 | 0
Non-cash collateral | 0 | 0
Net amount | 1,115 | 940
Financial Liabilities |  |
Gross amount of recognized liabilities | 12,479 | 9,629
Gross amounts offset | 0 | 0
Net amount of liabilities | 12,479 | 9,629
Cash collateral | 0 | 0
Non-cash collateral | 0 | 0
Net amount | $ 12,479 | $ 9,629

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