Guaranteed Minimum Death Benefit Contracts (Tables)

12 Months Ended

Dec. 31, 2011

Guaranteed Minimum Death Benefits Disclosure [Tables] [Abstract]

GMDB reserve activity table

(In millions)	2011		2010		2009
Balance at January 1,	$	1,138	$	1,285	$	1,609
Add: Unpaid claims		37		36		34
Less: Reinsurance and other amounts recoverable		51		53		83
Balance at January 1, net		1,124		1,268		1,560
Add: Incurred benefits		138		(20)		(122)
Less: Paid benefits		105		124		170
Ending balance, net		1,157		1,124		1,268
Less: Unpaid claims		40		37		36
Add: Reinsurance and other amounts recoverable		53		51		53
Balance at December 31,	$	1,170	$	1,138	$	1,285

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

(Dollars in millions)	2011		2010
Highest anniversary annuity value
Account value	$	10,801	$	13,336
Net amount at risk	$	4,487	$	4,372
Average attained age of contractholders (weighted by exposure)		71		70
Anniversary value reset
Account value	$	1,184	$	1,396
Net amount at risk	$	56	$	52
Average attained age of contractholders (weighted by exposure)		63		63
Other
Account value	$	1,768	$	1,864
Net amount at risk	$	834	$	755
Average attained age of contractholders (weighted by exposure)		70		69
Total
Account value	$	13,753	$	16,596
Net amount at risk	$	5,377	$	5,179
Average attained age of contractholders (weighted by exposure)		71		70
Number of contractholders (approx.)		480,000		530,000