Fair Value of Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Assets
Fixed income securities	$ 28,090	$ 28,756
Equity securities	1,229	650
Short-term Investments	762	590
Other investments:
Free-standing derivatives, assets	3		6
Separate account assets	4,521	5,039
Derivative asset, fair value, gross liability and obligation to return cash, offset	(5)	(11)
% of total assets at fair value	0.00%	0.00%
Other liabilities:
Free-standing derivatives, liabilities	(9)		(16)
Liabilities held for sale	0	(14,899)
Total liabilities at fair value	5	7
% of total liabilities at fair value	(1.40%)	(0.10%)
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	780	766
Municipal
Assets
Fixed income securities	3,547	3,304
Corporate
Assets
Fixed income securities	21,016	21,316
Foreign government
Assets
Fixed income securities	739	792
ABS
Assets
Fixed income securities	718	1,007
RMBS
Assets
Fixed income securities	656	790
CMBS
Assets
Fixed income securities	617	764
Redeemable preferred stock
Assets
Fixed income securities	17	17
Quoted prices in active markets for identical assets (Level 1)
Other investments:
Total assets at fair value	5,881	7,760
% of total assets at fair value	17.00%	16.40%
Other liabilities:
Total liabilities at fair value	0	0
% of total liabilities at fair value	0.00%	0.00%
Significant other observable inputs (Level 2)
Other investments:
Total assets at fair value	27,700	37,962
% of total assets at fair value	79.80%	80.20%
Other liabilities:
Total liabilities at fair value	(27)	(185)
% of total liabilities at fair value	7.70%	1.60%
Significant unobservable inputs (Level 3)
Other investments:
Total assets at fair value	1,115	1,635
% of total assets at fair value	3.20%	3.40%
Other liabilities:
Total liabilities at fair value	(330)	(11,655)
% of total liabilities at fair value	93.70%	98.50%
Recurring basis
Other investments:
Free standing derivative assets, derivative asset, fair value, gross asset and right to reclaim cash, offset	(5)	(11)
Derivative asset, fair value, gross liability and obligation to return cash, offset	(5)	(11)
Other liabilities:
Free standing derivative liabilities derivative liability, fair value, gross asset and right to reclaim cash, offset	5	7
Derivative liability, fair value, gross asset and right to reclaim cash, offset		7
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	146	145
Equity securities	1,138	593
Short-term Investments	76	129
Other investments:
Free-standing derivatives, assets	0	0
Separate account assets	4,521	5,039
Other assets	0
Assets held for sale		1,854
Total assets at fair value	5,881	7,760
Other liabilities:
Free-standing derivatives, liabilities	0	0
Liabilities held for sale		0
Total liabilities at fair value		0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | U.S. government and agencies
Assets
Fixed income securities	146	145
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | Municipal
Assets
Fixed income securities	0	0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | Corporate
Assets
Fixed income securities	0	0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | Foreign government
Assets
Fixed income securities	0	0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | ABS
Assets
Fixed income securities	0	0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | RMBS
Assets
Fixed income securities	0	0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | CMBS
Assets
Fixed income securities	0	0
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | Redeemable preferred stock
Assets
Fixed income securities	0	0
Recurring basis | Significant other observable inputs (Level 2)
Assets
Fixed income securities	26,885	27,370
Equity securities	54	51
Short-term Investments	686	461
Other investments:
Free-standing derivatives, assets	75	268
Separate account assets	0	0
Other assets	0
Assets held for sale		9,812
Total assets at fair value	27,700	37,962
Other liabilities:
Free-standing derivatives, liabilities	(27)	(185)
Liabilities held for sale		0
Total liabilities at fair value		(185)
Recurring basis | Significant other observable inputs (Level 2) | U.S. government and agencies
Assets
Fixed income securities	634	621
Recurring basis | Significant other observable inputs (Level 2) | Municipal
Assets
Fixed income securities	3,446	3,185
Recurring basis | Significant other observable inputs (Level 2) | Corporate
Assets
Fixed income securities	20,177	20,308
Recurring basis | Significant other observable inputs (Level 2) | Foreign government
Assets
Fixed income securities	739	792
Recurring basis | Significant other observable inputs (Level 2) | ABS
Assets
Fixed income securities	604	895
Recurring basis | Significant other observable inputs (Level 2) | RMBS
Assets
Fixed income securities	656	790
Recurring basis | Significant other observable inputs (Level 2) | CMBS
Assets
Fixed income securities	612	763
Recurring basis | Significant other observable inputs (Level 2) | Redeemable preferred stock
Assets
Fixed income securities	17	16
Recurring basis | Significant unobservable inputs (Level 3)
Assets
Fixed income securities	1,059	1,241
Equity securities	37	6
Short-term Investments	0	0
Other investments:
Free-standing derivatives, assets	3	9
Separate account assets	0	0
Other assets	1
Assets held for sale		362
Total assets at fair value	1,100	1,618
Other liabilities:
Free-standing derivatives, liabilities	(9)	(14)
Liabilities held for sale		(246)
Total liabilities at fair value		(567)
Recurring basis | Significant unobservable inputs (Level 3) | U.S. government and agencies
Assets
Fixed income securities	0	0
Recurring basis | Significant unobservable inputs (Level 3) | Municipal
Assets
Fixed income securities	101	119
Recurring basis | Significant unobservable inputs (Level 3) | Corporate
Assets
Fixed income securities	839	1,008
Recurring basis | Significant unobservable inputs (Level 3) | Foreign government
Assets
Fixed income securities	0	0
Recurring basis | Significant unobservable inputs (Level 3) | ABS
Assets
Fixed income securities	114	112
Recurring basis | Significant unobservable inputs (Level 3) | RMBS
Assets
Fixed income securities	0	0
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	0	1
Non-recurring basis
Other investments:
Derivative asset, fair value, gross liability and obligation to return cash, offset
Non-recurring basis | Quoted prices in active markets for identical assets (Level 1)
Other investments:
Total assets at fair value	0	0
Other liabilities:
Total liabilities at fair value		0
Non-recurring basis | Significant other observable inputs (Level 2)
Other investments:
Total assets at fair value	0	0
Other liabilities:
Total liabilities at fair value		0
Non-recurring basis | Significant unobservable inputs (Level 3)
Other investments:
Total assets at fair value	15	17
Other liabilities:
Total liabilities at fair value		(11,088)
Derivatives embedded in life and annuity contracts | Recurring basis | Quoted prices in active markets for identical assets (Level 1)
Contract holder funds:
Derivatives embedded in life and annuity contracts	0	0
Derivatives embedded in life and annuity contracts | Recurring basis | Significant other observable inputs (Level 2)
Contract holder funds:
Derivatives embedded in life and annuity contracts	0	0
Derivatives embedded in life and annuity contracts | Recurring basis | Significant unobservable inputs (Level 3)
Contract holder funds:
Derivatives embedded in life and annuity contracts	(321)	(307)
Fair Value
Other investments:
Total assets at fair value	34,691	47,346
% of total assets at fair value	100.00%	100.00%
Mortgage loans		8
Limited partnership interests	15	9
Other liabilities:
Liabilities held for sale	0	(7,298)
Total liabilities at fair value	(352)	(11,833)
% of total liabilities at fair value	100.00%	100.00%
Fair Value | Recurring basis
Assets
Fixed income securities	28,090	28,756
Equity securities	1,229	650
Short-term Investments	762	590
Other investments:
Free-standing derivatives, assets	73	266
Separate account assets	4,521	5,039
Other assets	1
Assets held for sale		12,028
Total assets at fair value	34,676	47,329
Other liabilities:
Free-standing derivatives, liabilities	(31)	(192)
Liabilities held for sale		(246)
Total liabilities at fair value		(745)
Fair Value | Recurring basis | U.S. government and agencies
Assets
Fixed income securities	780	766
Fair Value | Recurring basis | Municipal
Assets
Fixed income securities	3,547	3,304
Fair Value | Recurring basis | Corporate
Assets
Fixed income securities	21,016	21,316
Fair Value | Recurring basis | Foreign government
Assets
Fixed income securities	739	792
Fair Value | Recurring basis | ABS
Assets
Fixed income securities	718	1,007
Fair Value | Recurring basis | RMBS
Assets
Fixed income securities	656	790
Fair Value | Recurring basis | CMBS
Assets
Fixed income securities	617	764
Fair Value | Recurring basis | Redeemable preferred stock
Assets
Fixed income securities	17	17
Fair Value | Non-recurring basis
Other investments:
Total assets at fair value	15	17
Other liabilities:
Total liabilities at fair value		(11,088)
Fair Value | Derivatives embedded in life and annuity contracts | Recurring basis
Contract holder funds:
Derivatives embedded in life and annuity contracts	$ (321)	$ (307)