Fair Value of Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets
Fixed income securities	$ 60,910	$ 77,017
Equity securities	5,097	4,037
Short-term Investments	2,393	2,336
Free-standing derivatives, assets	9	3	1
Separate account assets	5,039	6,610
Other liabilities:
Free-standing derivatives, liabilities	(14)	(30)	(96)
Liabilities held for sale	(14,899)
LBL
Assets
Assets held for sale	15,593
Other liabilities:
Liabilities held for sale	(14,899)
U.S. government and agencies
Assets
Fixed income securities	2,913	4,713
Municipal
Assets
Fixed income securities	8,723	13,069
Corporate
Assets
Fixed income securities	40,603	48,537
Foreign government
Assets
Fixed income securities	1,824	2,517
Asset-backed securities ("ABS")
Assets
Fixed income securities	4,518	3,624
Residential mortgage-backed securities ("RMBS")
Assets
Fixed income securities	1,474	3,032
Commercial mortgage-backed securities ("CMBS")
Assets
Fixed income securities	829	1,498
Redeemable preferred stock
Assets
Fixed income securities	26	27
Quoted prices in active markets for identical assets (Level 1)
Assets
Total assets at fair value	13,715	13,116
Assets as a percent of assets measured at fair value	16.00%	14.60%
Significant other observable inputs (Level 2)
Assets
Total assets at fair value	69,831	74,008
Assets as a percent of assets measured at fair value	81.40%	82.10%
Other liabilities:
Free-standing derivatives, liabilities		(98)
Total liabilities at fair value	(194)	(98)
Liabilities as a percent of liabilities measured at fair value	1.60%	15.10%
Significant unobservable inputs (Level 3)
Assets
Total assets at fair value	2,239	3,081
Assets as a percent of assets measured at fair value	2.60%	3.40%
Contract holder funds:
Derivatives embedded in life and annuity contracts		(553)
Other liabilities:
Free-standing derivatives, liabilities		(30)
Total liabilities at fair value	(11,655)	(583)
Liabilities as a percent of liabilities measured at fair value	98.50%	90.00%
Counterparty and cash collateral netting
Assets
Total assets at fair value	(24)	(57)
Assets as a percent of assets measured at fair value		(0.10%)
Other liabilities:
Free-standing derivatives, liabilities		33
Total liabilities at fair value	11	33
Liabilities as a percent of liabilities measured at fair value	(0.10%)	(5.10%)
Fair Value
Assets
Total assets at fair value	85,761	90,148
Assets as a percent of assets measured at fair value	100.00%	100.00%
Mortgage loans	8	4
Limited partnership interests	16	4
Other investments		1
Contract holder funds:
Derivatives embedded in life and annuity contracts		(553)
Other liabilities:
Free-standing derivatives, liabilities		(95)
Total liabilities at fair value	(11,838)	(648)
Liabilities as a percent of liabilities measured at fair value	100.00%	100.00%
Recurring | LBL
Assets
Assets held for sale	12,028
Other liabilities:
Liabilities held for sale	(246)
Recurring | Quoted prices in active markets for identical assets (Level 1)
Assets
Fixed income securities	1,801	2,790
Equity securities	4,268	3,008
Short-term Investments	752	703
Separate account assets	5,039	6,610
Other assets	1	5
Assets held for sale	1,854
Total assets at fair value	13,715	13,116
Recurring | Quoted prices in active markets for identical assets (Level 1) | U.S. government and agencies
Assets
Fixed income securities	1,801	2,790
Recurring | Significant other observable inputs (Level 2)
Assets
Fixed income securities	57,412	71,330
Equity securities	697	858
Short-term Investments	1,626	1,633
Free-standing derivatives, assets	284	187
Assets held for sale	9,812
Total assets at fair value	69,831	74,008
Other liabilities:
Free-standing derivatives, liabilities	(194)
Total liabilities at fair value	(194)
Recurring | Significant other observable inputs (Level 2) | U.S. government and agencies
Assets
Fixed income securities	1,105	1,915
Recurring | Significant other observable inputs (Level 2) | Municipal
Assets
Fixed income securities	8,380	12,104
Recurring | Significant other observable inputs (Level 2) | Corporate
Assets
Fixed income securities	39,494	46,920
Recurring | Significant other observable inputs (Level 2) | Foreign government
Assets
Fixed income securities	1,824	2,517
Recurring | Significant other observable inputs (Level 2) | Asset-backed securities ("ABS")
Assets
Fixed income securities	4,326	3,373
Recurring | Significant other observable inputs (Level 2) | Residential mortgage-backed securities ("RMBS")
Assets
Fixed income securities	1,472	3,029
Recurring | Significant other observable inputs (Level 2) | Commercial mortgage-backed securities ("CMBS")
Assets
Fixed income securities	786	1,446
Recurring | Significant other observable inputs (Level 2) | Redeemable preferred stock
Assets
Fixed income securities	25	26
Recurring | Significant unobservable inputs (Level 3)
Assets
Fixed income securities	1,697	2,897
Equity securities	132	171
Short-term Investments	15
Free-standing derivatives, assets	9	3
Other assets		1
Assets held for sale	362
Total assets at fair value	2,215	3,072
Contract holder funds:
Derivatives embedded in life and annuity contracts	(307)
Other liabilities:
Free-standing derivatives, liabilities	(14)
Liabilities held for sale	(246)
Total liabilities at fair value	(567)
Recurring | Significant unobservable inputs (Level 3) | U.S. government and agencies
Assets
Fixed income securities	7	8
Recurring | Significant unobservable inputs (Level 3) | Municipal
Assets
Fixed income securities	343	965
Recurring | Significant unobservable inputs (Level 3) | Corporate
Assets
Fixed income securities	1,109	1,617
Recurring | Significant unobservable inputs (Level 3) | Asset-backed securities ("ABS")
Assets
Fixed income securities	192	251
Recurring | Significant unobservable inputs (Level 3) | Residential mortgage-backed securities ("RMBS")
Assets
Fixed income securities	2	3
Recurring | Significant unobservable inputs (Level 3) | Commercial mortgage-backed securities ("CMBS")
Assets
Fixed income securities	43	52
Recurring | Significant unobservable inputs (Level 3) | Redeemable preferred stock
Assets
Fixed income securities	1	1
Recurring | Counterparty and cash collateral netting
Assets
Free-standing derivatives, assets	(24)	(57)
Total assets at fair value	(24)	(57)
Other liabilities:
Free-standing derivatives, liabilities	11
Total liabilities at fair value	11
Recurring | Fair Value
Assets
Fixed income securities	60,910	77,017
Equity securities	5,097	4,037
Short-term Investments	2,393	2,336
Free-standing derivatives, assets	269	133
Separate account assets	5,039	6,610
Other assets	1	6
Assets held for sale	12,028
Total assets at fair value	85,737	90,139
Contract holder funds:
Derivatives embedded in life and annuity contracts	(307)
Other liabilities:
Free-standing derivatives, liabilities	(197)
Liabilities held for sale	(246)
Total liabilities at fair value	(750)
Recurring | Fair Value | U.S. government and agencies
Assets
Fixed income securities	2,913	4,713
Recurring | Fair Value | Municipal
Assets
Fixed income securities	8,723	13,069
Recurring | Fair Value | Corporate
Assets
Fixed income securities	40,603	48,537
Recurring | Fair Value | Foreign government
Assets
Fixed income securities	1,824	2,517
Recurring | Fair Value | Asset-backed securities ("ABS")
Assets
Fixed income securities	4,518	3,624
Recurring | Fair Value | Residential mortgage-backed securities ("RMBS")
Assets
Fixed income securities	1,474	3,032
Recurring | Fair Value | Commercial mortgage-backed securities ("CMBS")
Assets
Fixed income securities	829	1,498
Recurring | Fair Value | Redeemable preferred stock
Assets
Fixed income securities	26	27
Non-recurring | Significant unobservable inputs (Level 3)
Assets
Total assets at fair value	24	9
Other liabilities:
Total liabilities at fair value	(11,088)
Non-recurring | Fair Value
Assets
Total assets at fair value	24	9
Other liabilities:
Total liabilities at fair value	$ (11,088)