Derivatives and Hedge Accounting (Details 3) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Derivative instruments gain (loss):
Foreign currency translation gain (loss) adjustment related to net investment hedge relationships	$ (11)	$ 11	$ (35)	$ 59
Interest rate contracts \| Derivatives designated as hedging instruments \| Fair value hedging
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	4	175	(3)	158
Gain (loss) recognized in earnings on hedged items	40	(113)	88	(69)
Gain (loss) recognized in earnings for ineffective portion and amount excluded from effectiveness testing		21	(1)	30
Gain (Loss) Recognized in Earnings for Ineffective Portion	0	20	(1)	23
Gain (Loss) Recognized in Earnings on Amounts Excluded from effectiveness testing	0	1	0	7
Amortization of debt basis adjustment following the discontinuation of hedge accounting	44	40	86	59
Interest rate contracts \| Derivatives designated as hedging instruments \| Cash flow hedging
Derivative instruments gain (loss):
Gain (Loss) Recognized in Earnings for Ineffective Portion				(6)
Gain (loss) recognized in OCI on derivatives	(3)	(13)	(3)	25
Gain (loss) reclassified from Accumulated OCI into earnings	(16)	(18)	(34)	2
Deferred net loss in accumulated other comprehensive income expected to be recognized in earnings during the next 12 months			85
Interest rate contracts \| Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	21	651	(253)	(257)
Foreign exchange contracts \| Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	(24)	(159)	(4)	113
Equity contracts \| Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	67	205	(37)	331
Commodity contracts \| Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	2	(5)	7	(11)
Credit contracts \| Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	(46)	305	301	449
Other contracts \| Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	18	(724)		(594)
Embedded derivative gains (losses)	(5)	826	102	(680)
Derivatives not designated as hedging instruments
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	38	273	14	31
Derivatives not designated as hedging instruments \| Premiums
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	26	21	51	40
Derivatives not designated as hedging instruments \| Net investment income
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	2	5	4	9
Derivatives not designated as hedging instruments \| Net realized capital gains (losses)
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	226	(883)	258	(1,397)
Derivatives not designated as hedging instruments \| Other income.
Derivative instruments gain (loss):
Gain (loss) recognized in earnings on derivatives	$ (216)	$ 1,130	$ (299)	$ 1,379

Represents the amortization of the gain (loss) amortized on the discontinuation of hedge accounting.

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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- Definition

The amount recognized in earnings related to the change in fair value during the period of the hedged item in a fair value hedge.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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The portion of a hedge deemed to be ineffective that is reflected in current period results of operations.

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- Definition

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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- Definition

Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings.

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Pre tax change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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Current period adjustment resulting from gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity, gross of tax effect.

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