Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities (Policyholder Account Balances, Future Policy Benefits and Claims) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Policyholder Funds	$ 22,117		$ 22,735
Liability for Future Policy Benefits	6,809		6,258
Liability for Claims and Claims Adjustment Expense	681		627
Policyholder Account Balances, Future Policy Benefits and Claims	29,607		29,620
Fixed annuities
Policyholder Funds	13,143		13,826
Variable annuity fixed sub-accounts
Policyholder Funds	4,877		4,926
Variable Universal Life and Universal Life Insurance [Member]
Policyholder Funds	2,821		2,790
IUL
Policyholder Funds	418		315
Other Life Insurance [Member]
Policyholder Funds	858		878
Variable annuity GMWB
Liability for Future Policy Benefits	(131)	[1]	(383)	[1]
Variable annuity GMAB
Liability for Future Policy Benefits	(76)	[1]	(62)	[1]
Other annuity liabilities [Member]
Liability for Future Policy Benefits	126		76
Fixed annuities life contingent liabilities [Member]
Liability for Future Policy Benefits	1,520		1,523
Equity Indexed Annuity Member [Member]
Liability for Future Policy Benefits	29		29
Life Disability Income and Long Term Care Insurance [Member]
Liability for Future Policy Benefits	4,936		4,739
Variable Universal Life and Universal Life Insurance Additional Liabilities [Member]
Liability for Future Policy Benefits	$ 405		$ 336

[1] Includes the value of GMWB and GMAB embedded derivatives that was a net asset at both June 30, 2014 and December 31, 2013 reported as a contra liability.