Fair Value (Details 7) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Mortgage loans [Abstract]
Mortgage Loans on Real Estate, Commercial and Consumer, Net	$ 60,819	$ 58,976
Policy loans	11,858	11,761
Other Investments	14,900	15,430
Accrued investment income (includes $34 and $34, respectively, relating to variable interest entities)	4,341	4,328
Assets of subsidiaries held-for-sale	3,369	3,331
Liabilities
Policyholder account balances	217,597	210,757
Payables for collateral under securities loaned and other transactions	30,079	27,272
Bank deposits	10,022	10,316
Short-term debt	102	306
Long-term Debt	28,269	27,586
Collateral financing arrangements	5,297	5,297
Junior subordinated debt securities	3,192	3,191
Other Liabilities	19,707	20,366
Separate account liabilities	202,382	183,138
Liabilities of subsidiaries held-for-sale	3,163	3,043
Notional Amount [Member]
Commitments [Abstract]:
Mortgage loan commitments	4,362	3,754
Commitments to fund bank credit facilities, bridge loans and private corporate bond investments	2,342	2,437
Estimated Fair Value [Member]
Mortgage loans [Abstract]
Mortgage Loans on Real Estate, Commercial and Consumer, Net	56,641	53,927
Held-for-sale	942	811
Mortgage loans, net	57,583	54,738
Policy loans	13,381	13,253
Real estate joint ventures	558	482
Other limited partnership interests	1,651	1,619
Short-term investments	658	819
Other Investments	1,480	1,490
Cash and cash equivalents	9,628	12,957
Accrued investment income (includes $34 and $34, respectively, relating to variable interest entities)	4,341	4,328
Premiums, reinsurance and other receivables	3,314	4,048
Other assets	501	453
Assets of subsidiaries held-for-sale	3,204	3,068
Liabilities
Policyholder account balances	158,635	152,745
Payables for collateral under securities loaned and other transactions	30,079	27,272
Bank deposits	10,078	10,371
Short-term debt	102	306
Long-term Debt	22,962	21,892
Collateral financing arrangements	4,867	4,757
Junior subordinated debt securities	3,588	3,461
Other Liabilities	2,962	2,777
Separate account liabilities	48,925	42,160
Liabilities of subsidiaries held-for-sale	127	105
Commitments [Abstract]:
Mortgage loan commitments	(20)	(17)
Commitments to fund bank credit facilities, bridge loans and private corporate bond investments	(22)	0
Carrying Value [Member]
Mortgage loans [Abstract]
Mortgage Loans on Real Estate, Commercial and Consumer, Net	54,122	52,136
Held-for-sale	942	811
Mortgage loans, net	55,064	52,947
Policy loans	11,858	11,761
Real estate joint ventures	505	451
Other limited partnership interests	1,364	1,539
Short-term investments	658	819
Other Investments	1,480	1,490
Cash and cash equivalents	9,628	12,957
Accrued investment income (includes $34 and $34, respectively, relating to variable interest entities)	4,341	4,328
Premiums, reinsurance and other receivables	3,090	3,752
Other assets	527	466
Assets of subsidiaries held-for-sale	3,204	3,068
Liabilities
Policyholder account balances	151,345	146,822
Payables for collateral under securities loaned and other transactions	30,079	27,272
Bank deposits	10,022	10,316
Short-term debt	102	306
Long-term Debt	21,683	20,734
Collateral financing arrangements	5,297	5,297
Junior subordinated debt securities	3,192	3,191
Other Liabilities	2,959	2,777
Separate account liabilities	48,925	42,160
Liabilities of subsidiaries held-for-sale	127	105
Commitments [Abstract]:
Mortgage loan commitments	0	0
Commitments to fund bank credit facilities, bridge loans and private corporate bond investments	$ 0	$ 0