Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Policyholder account balances	$ 22,117		$ 22,735
Future policy benefits	6,809		6,258
Policy claims and other policyholders’ funds	169		156
Policyholder Account Balances, Future Policy Benefits and Claims	29,095		29,149
Separate account liabilities
Variable annuity	72,771		70,687
VUL insurance	7,099		6,885
Other insurance	44		44
Total	79,914		77,616
Fixed annuities [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Policyholder account balances	13,143		13,826
Variable annuity fixed sub-accounts [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Policyholder account balances	4,877		4,926
Variable universal life VUL universal life insurance [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Policyholder account balances	2,821		2,790
Indexed Universal Life [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Policyholder account balances	418		315
Other Life Insurance [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Policyholder account balances	858		878
Guaranteed minimum withdrawal benefits GMWB [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Future policy benefits	(131)	[1]	(383)	[1]
Variable annuity guaranteed minimum accumulation benefits ("GMAB")
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Future policy benefits	(76)	[1]	(62)	[1]
Other annuity liabilities [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Future policy benefits	126		76
Fixed annuities life contingent liabilities [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Future policy benefits	1,520		1,523
Equity Indexed Annuity [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Future policy benefits	29		29
Llife, disability income and long term care insurance [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
Future policy benefits	4,936		4,739
VUL/UL and other insurance additional liabilities [Member]
Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities
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.