Sales Inducements (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Retirement Plans and Individual Life Businesses [Member]	Jun. 30, 2012 Retirement Plans and Individual Life Businesses [Member]	Mar. 31, 2013 Individual Life [Member]	Mar. 31, 2013 Retirement Plans [Member]	Jun. 30, 2013 Individual Annuity [Member]
Deferred Sales Inducements, Amortization Expense	$ 11	$ 16	$ 71	$ 0	$ 49	$ 22
Changes in deferred sales inducement
Balance, January 1	325	434
Sales inducements deferred	(3)	6
Amortization - Unlock	59	1					(52)
Deferred Sales Inducements, Amortization Expense	11	16	71	0	49	22
Balance, September 30	$ 181	$ 423

The amount of deferred sales inducement costs charged against earnings during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6481800&loc=d3e11332-158416

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 03-1

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DeferredSalesInducementsAmortizationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration