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Derivative Instruments (Schedule Of Offsetting Assets And Liabilities) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financial Assets |  |
Derivative Instruments, Gross amount of recognized assets | $ 7,708 | $ 6,604
Derivative Instruments, Gross amounts offset | (3,703) | (3,010)
Derivative Instruments, Net amount of assets | 4,005 | 3,594
Derivative Instruments, Cash collateral | (3,538) | (3,273)
Derivative Instruments, Non-cash collateral | (467) | (321)
Derivative Instruments, Net amount |  |
Embedded Derivative Instruments, Gross amount of recognized assets | 672 | 941
Embedded Derivative Instruments, Gross amounts offset |  |
Embedded Derivative Instruments, Net amount of assets | 672 | 941
Embedded Derivative Instruments, Cash collateral |  |
Embedded Derivative Instruments, Non-cash collateral |  |
Embedded Derivative Instruments, Net amount | 672 | 941
Securities Lending and Reverse Repurchase Agreements, Cash collateral received | 760 |
Securities Lending and Reverse Repurchase Agreements, Net amount | 9 | 1,100
Total, Gross amount of recognized assets | 8,380 | 7,545
Total, Gross amounts offset | (3,703) | (3,010)
Total, Net amount of assets | 4,677 | 4,535
Total, Cash collateral | (3,538) | (3,273)
Total, Non-cash collateral | (467) | (321)
Total, Net amount | 672 | 941
Fair Value of Collateral |  | 8
Financial Liabilities |  |
Derivative Instruments, Gross amount of recognized liabilities | 129 | 260
Derivative Instruments, Gross amounts offset | (17) | (50)
Derivative Instruments, Net amount of liabilities | 112 | 210
Derivative Instruments, Cash collateral | (112) | (172)
Derivative Instruments, Non-cash collateral |  | (38)
Derivative Instruments, Net amount |  |
Embedded Derivative Instruments, Gross amount of recognized liabilities | 5,796 | 4,783
Embedded Derivative Instruments, Gross amounts offset |  |
Embedded Derivative Instruments, Net amount of liabilities | 5,796 | 4,783
Embedded Derivative Instruments, Cash collateral |  |
Embedded Derivative Instruments, Non-cash collateral |  |
Embedded Derivative Instruments, Net amount | 5,796 | 4,783
Total, Gross amount of recognized liabilities | 5,925 | 5,043
Total, Gross amounts offset | (17) | (50)
Total, Net amount of liabilities | 5,908 | 4,993
Total, Cash collateral | (112) | (172)
Total, Non-cash collateral |  | (38)
Total, Net amount | $ 5,796 | $ 4,783

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