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Investments (Schedule Of Increase (Decrease) In Payables For Collateral On Investments) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Increase (decrease) in payables for collateral on investments
Collateral payable for derivative investments	$ 41	$ 995
Securities pledged under securities lending agreements	(16)	(3)
Securities pledged under repurchase agreements	(2)	110
Investments pledged for FHLBI	(50)	(105)
Total increase (decrease) in payables for collateral on investments	$ (27)	$ 997

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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.

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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 reverse repurchase agreements

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No definition available.

+ Details

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X

- Definition

The net change during the reporting period in the amount of cash that is received related to securities pledged under securities lending agreements.

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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 for Federal Home Loan Bank of Indianapolis.

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No definition available.

+ Details

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X

- Definition

The increase (decrease) during the reporting period in the amount that is received as security when loaning securities.

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No definition available.

+ Details

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- References

No definition available.

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