Derivatives and Hedging Activities (Details 4) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Derivatives and Hedging Activities
Cash flow hedge, Gain (Loss) Reclassified from Accumulated Other Comprehensive Income to Other revenues	$ 27
Probable reclassification of unrealized gains on cash flow hedges from accumulated other comprehensive income to earnings during the next 12 months			1
Reclassification of net pretax gains, to be recorded as a reduction to interest and debt expense in the next 12 months			5
Reclassification of net pretax losses, to be recorded in net investment income in the next 12 months			(6)
Amount of Gain Recognized in Other Comprehensive Income on Derivatives, Cash flow hedges from Interest on debt				(10)
Amount of Gain Recognized in Other Comprehensive Income on Derivatives, Cash flow hedges from Asset-based distribution fees		9	1	9
Amount of Gain Recognized in Other Comprehensive Income on Derivatives, Cash flow hedges		9	1	(1)
Accumulated other comprehensive income reclassified to earning	27		27
Cash flow hedge, Gain (Loss) Reclassified from Accumulated Other Comprehensive Income to Interest and debt expense	1	2	2	4
Cash flow hedge, Gain (Loss) Reclassified from Accumulated Other Comprehensive Income to Distribution fees	4		9
Cash flow hedge, Gain (Loss) Reclassified from Accumulated Other Comprehensive Income to Net investment income	(2)	(1)	(3)	(3)
Derivatives designated as hedging instruments	30	1	35	1
Hedging exposure to the variability in future cash flows (in years)			24 years
Amount of Gain Recognized in Income on Derivative, Fixed rate debt related to Interest and debt expense	10		20	6
Total amount of gain recognized in income on derivatives designated as fair value hedges	10		20	6
Cash and cash equivalents and corresponding liability in other liabilities for collateral	105		105		98
Fair market value of securities accepted as additional collateral	3		3		23
Maximum credit exposure related to derivative assets	14		14		45
Aggregate fair value of all derivative instruments containing credit risk features	384		384		412
Aggregate fair value of assets posted as collateral	361		361		406
Additional fair value of assets needed to settle these derivative liabilities	$ 23		$ 23		$ 6

The amount of gains on a cash flow hedge reclassified in the period to distribution fees from accumulated other comprehensive income.

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- Definition

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

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- Definition

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

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- Definition

This amount represents the cash collateral held for derivatives under collateral arrangements. It is the obligation to return cash collateral under a master netting arrangement.

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- Definition

Pretax gains and losses from derivative instruments designated and qualifying as the effective portion of fair value hedges on fixed rate debt.

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- Definition

Maximum amount the entity would stand to lose as a result of credit risk on net derivative assets upon occurrence of a credit event.

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- Definition

Pre tax change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges.

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- Definition

This element represents pre-tax change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges associated with asset-based distribution fees.

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- Definition

The fair value as of the balance sheet date of securities that had been pledged by counterparties under derivative collateral.

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- Definition

The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44D
-Subparagraph c

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- Definition

The amount of net gains (losses) on a cash flow hedge reclassified in the period to earnings from accumulated other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(1)

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(2)

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- Definition

The amount of gains on a cash flow hedge reclassified in the period to interest expense from accumulated other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(1)

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- Definition

The amount of gains on a cash flow hedge reclassified in the period to other income from accumulated other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(1)

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- Definition

The amount of losses on a cash flow hedge reclassified in the period to investment income from accumulated other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(1)

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- Definition

Amount of the increase or decrease in fair value during the period of derivative or nonderivative instruments designated as fair value hedging instruments. Recognized in earnings and offsets the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph a(1)

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44D
-Subparagraph c

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- Definition

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain or loss on that instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44D
-Subparagraph b

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- Definition

The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(4)

+ Details

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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(3)

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