Guaranteed Minimum Death Benefit Contracts (Tables)

12 Months Ended

Dec. 31, 2012

Guaranteed Minimum Death Benefits Disclosure [Tables] [Abstract]

GMDB reserve activity table

(In millions)	2012		2011		2010
Balance at January 1,	$	1,170	$	1,138	$	1,285
Add: Unpaid claims		40		37		36
Less: Reinsurance and other amounts recoverable		53		51		53
Balance at January 1, net		1,157		1,124		1,268
Add: Incurred benefits		17		138		(20)
Less: Paid benefits		102		105		124
Ending balance, net		1,072		1,157		1,124
Less: Unpaid claims		24		40		37
Add: Reinsurance and other amounts recoverable		42		53		51
Balance at December 31,	$	1,090	$	1,170	$	1,138

Guaranteed Minimum Death Benefits Account Value Risk And Average Age Table [Text Block]

(Dollars in millions, excludes impact of reinsurance ceded)	2012		2011
Highest anniversary annuity value
Account value	$	10,485	$	10,801
Net amount at risk	$	3,303	$	4,487
Average attained age of contractholders (weighted by exposure)		72		71
Anniversary value reset
Account value	$	1,183	$	1,184
Net amount at risk	$	22	$	56
Average attained age of contractholders (weighted by exposure)		65		63
Other
Account value	$	1,635	$	1,768
Net amount at risk	$	693	$	834
Average attained age of contractholders (weighted by exposure)		71		70
Total
Account value	$	13,303	$	13,753
Net amount at risk	$	4,018	$	5,377
Average attained age of contractholders (weighted by exposure)		72		71
Number of contractholders (approx.)		435,000		480,000