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Financing receivables that are less than 90 days past due.

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Amount of direct write-downs of financing receivables charged against the allowance.

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Financing receivables that are current.

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Financing receivables that are equal to or greater than 90 days past due.

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Recorded Investment in financing receivables that are past due at the balance sheet date.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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Reflects the carrying amount of loans charging borrowers fixed rates of interest.

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Reflects the carrying amount of loans charging borrowers variable, or adjustable, rates of interest.

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The carrying amount of the outstanding balance due under the mortgage loan.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

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Investments (Details 12) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Total mortgage loans	$ 6,904		$ 6,904		$ 7,139
Mortgage loans, non-impaired
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans	6,509		6,509		6,659
Variable rate mortgage loans	215		215		236
Total mortgage loans	6,724		6,724		6,895
Mortgage loans, non-impaired \| Below 1.0
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans	296		296		345
Total mortgage loans	296		296		345
Mortgage loans, non-impaired \| 1.0 - 1.25
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans	1,276		1,276		1,527
Variable rate mortgage loans	21		21		44
Total mortgage loans	1,297		1,297		1,571
Mortgage loans, non-impaired \| 1.26 - 1.50
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans	1,615		1,615		1,573
Variable rate mortgage loans	22		22		24
Total mortgage loans	1,637		1,637		1,597
Mortgage loans, non-impaired \| Above 1.50
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans	3,322		3,322		3,214
Variable rate mortgage loans	172		172		168
Total mortgage loans	3,494		3,494		3,382
Mortgage loans, impaired
Net carrying value of impaired mortgage loans
Impaired mortgage loans with a valuation allowance	172		172		244
Impaired loans without a valuation allowance	8		8
Total impaired mortgage loans	180		180		244
Valuation allowance on impaired mortgage loans	47	70	47	70
Average carrying value and interest income recognized on impaired mortgage loans
Average impaired mortgage loans			214	201
Rollforward of the valuation allowance on impaired mortgage loans
Valuation allowance on impaired mortgage loans, beginning balance	48	68	63	84
Net increase (decrease) in valuation allowance	1	29	(3)	42
Charge offs	(2)	(27)	(13)	(56)
Valuation allowance on impaired mortgage loans, ending balance	47	70	47	70
Mortgage loans
Carrying value of past due mortgage loans
Less than 90 days past due	9		9
90 days or greater past due	7		7		43
Total past due	16		16		43
Current loans	6,888		6,888		7,096
Carrying value of mortgage loans	$ 6,904		$ 6,904		$ 7,139