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Investments (Schedule Of Increase (Decrease) In Payables For Collateral On Investments) (Details) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Increase (decrease) in payables for collateral on investments |  |
Collateral payable for derivative investments | $ (2,280) | $ 1,415
Securities pledged under securities lending agreements | 58 | 112
Investments pledged for FHLBI | 800 | 450
Total increase (decrease) in payables for collateral on investments | $ (1,422) | $ 1,977

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- Definition The net change during the reporting period in the amount of cash that is received related to collateral payable held for derivative instruments. + References No definition available. + Details
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- Definition The net change during the reporting period in the amount of cash that is received related to securities pledged under securities lending agreements. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition The net change during the reporting period in the amount of cash that is received related to securities pledged for Federal Home Loan Bank of Indianapolis. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Definition The increase (decrease) during the reporting period in the amount that is received as security when loaning securities. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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