Fair Value of Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Assets
Fixed income securities	$ 28,924	$ 28,756
Equity securities	1,267	650
Short-term Investments	899	590
Other investments:
Free-standing derivatives, assets	3		6
Separate account assets	4,780	5,039
Other liabilities:
Free-standing derivatives, liabilities	(8)		(13)
Liabilities held for sale		(14,899)
LBL
Other investments:
Assets held for sale		15,593
Other liabilities:
Liabilities held for sale		(14,899)
U.S. government and agencies
Assets
Fixed income securities	814	766
Municipal
Assets
Fixed income securities	3,505	3,304
Corporate
Assets
Fixed income securities	21,595	21,316
Foreign government
Assets
Fixed income securities	750	792
ABS
Assets
Fixed income securities	863	1,007
RMBS
Assets
Fixed income securities	702	790
CMBS
Assets
Fixed income securities	679	764
Redeemable preferred stock
Assets
Fixed income securities	16	17
Quoted prices in active markets for identical assets (Level 1)
Other investments:
Total assets at fair value	6,251	7,760
% of total assets at fair value	17.40%	16.40%
Significant other observable inputs (Level 2)
Other investments:
Total assets at fair value	28,612	37,962
% of total assets at fair value	79.50%	80.20%
Other liabilities:
Total liabilities at fair value	(57)	(185)
% of total liabilities at fair value	14.70%	1.60%
Significant unobservable inputs (Level 3)
Other investments:
Total assets at fair value	1,138	1,635
% of total assets at fair value	3.10%	3.40%
Other liabilities:
Total liabilities at fair value	(339)	(11,655)
% of total liabilities at fair value	87.10%	98.50%
Counterparty and cash collateral netting
Other investments:
Total assets at fair value	(7)	(11)
Other liabilities:
Total liabilities at fair value	7	7
% of total liabilities at fair value	(1.80%)	(0.10%)
Fair Value
Other investments:
Total assets at fair value	35,994	47,346
% of total assets at fair value	100.00%	100.00%
Mortgage loans		8
Limited partnership interests	32	9
Other liabilities:
Total liabilities at fair value	(389)	(11,833)
% of total liabilities at fair value	100.00%	100.00%
Recurring basis | LBL
Other investments:
Assets held for sale		12,028
Other liabilities:
Liabilities held for sale		(246)
Recurring basis | Quoted prices in active markets for identical assets (Level 1)
Assets
Fixed income securities	170	145
Equity securities	1,209	593
Short-term Investments	92	129
Other investments:
Separate account assets	4,780	5,039
Assets held for sale		1,854
Total assets at fair value	6,251	7,760
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | U.S. government and agencies
Assets
Fixed income securities	170	145
Recurring basis | Significant other observable inputs (Level 2)
Assets
Fixed income securities	27,659	27,370
Equity securities	51	51
Short-term Investments	807	461
Other investments:
Free-standing derivatives, assets	95	268
Assets held for sale		9,812
Total assets at fair value	28,612	37,962
Other liabilities:
Free-standing derivatives, liabilities	(57)	(185)
Total liabilities at fair value		(185)
Recurring basis | Significant other observable inputs (Level 2) | U.S. government and agencies
Assets
Fixed income securities	644	621
Recurring basis | Significant other observable inputs (Level 2) | Municipal
Assets
Fixed income securities	3,403	3,185
Recurring basis | Significant other observable inputs (Level 2) | Corporate
Assets
Fixed income securities	20,712	20,308
Recurring basis | Significant other observable inputs (Level 2) | Foreign government
Assets
Fixed income securities	750	792
Recurring basis | Significant other observable inputs (Level 2) | ABS
Assets
Fixed income securities	758	895
Recurring basis | Significant other observable inputs (Level 2) | RMBS
Assets
Fixed income securities	702	790
Recurring basis | Significant other observable inputs (Level 2) | CMBS
Assets
Fixed income securities	674	763
Recurring basis | Significant other observable inputs (Level 2) | Redeemable preferred stock
Assets
Fixed income securities	16	16
Recurring basis | Significant unobservable inputs (Level 3)
Assets
Fixed income securities	1,095	1,241
Equity securities	7	6
Other investments:
Free-standing derivatives, assets	3	9
Other assets	1
Assets held for sale		362
Total assets at fair value	1,106	1,618
Contract holder funds:
Derivatives embedded in life and annuity contracts	(331)	(307)
Other liabilities:
Free-standing derivatives, liabilities	(8)	(14)
Liabilities held for sale		(246)
Total liabilities at fair value		(567)
Recurring basis | Significant unobservable inputs (Level 3) | Municipal
Assets
Fixed income securities	102	119
Recurring basis | Significant unobservable inputs (Level 3) | Corporate
Assets
Fixed income securities	883	1,008
Recurring basis | Significant unobservable inputs (Level 3) | ABS
Assets
Fixed income securities	105	112
Recurring basis | Significant unobservable inputs (Level 3) | CMBS
Assets
Fixed income securities	5	1
Recurring basis | Significant unobservable inputs (Level 3) | Redeemable preferred stock
Assets
Fixed income securities		1
Recurring basis | Counterparty and cash collateral netting
Other investments:
Free-standing derivatives, assets	(7)	(11)
Total assets at fair value	(7)	(11)
Other liabilities:
Free-standing derivatives, liabilities	7	7
Total liabilities at fair value		7
Recurring basis | Fair Value
Assets
Fixed income securities	28,924	28,756
Equity securities	1,267	650
Short-term Investments	899	590
Other investments:
Free-standing derivatives, assets	91	266
Separate account assets	4,780	5,039
Other assets	1
Assets held for sale		12,028
Total assets at fair value	35,962	47,329
Contract holder funds:
Derivatives embedded in life and annuity contracts	(331)	(307)
Other liabilities:
Free-standing derivatives, liabilities	(58)	(192)
Liabilities held for sale		(246)
Total liabilities at fair value		(745)
Recurring basis | Fair Value | U.S. government and agencies
Assets
Fixed income securities	814	766
Recurring basis | Fair Value | Municipal
Assets
Fixed income securities	3,505	3,304
Recurring basis | Fair Value | Corporate
Assets
Fixed income securities	21,595	21,316
Recurring basis | Fair Value | Foreign government
Assets
Fixed income securities	750	792
Recurring basis | Fair Value | ABS
Assets
Fixed income securities	863	1,007
Recurring basis | Fair Value | RMBS
Assets
Fixed income securities	702	790
Recurring basis | Fair Value | CMBS
Assets
Fixed income securities	679	764
Recurring basis | Fair Value | Redeemable preferred stock
Assets
Fixed income securities	16	17
Non-recurring basis | Significant unobservable inputs (Level 3)
Other investments:
Total assets at fair value	32	17
Other liabilities:
Total liabilities at fair value		(11,088)
Non-recurring basis | Fair Value
Other investments:
Total assets at fair value	32	17
Other liabilities:
Total liabilities at fair value		$ (11,088)