Investments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net change in unrealized gains (losses) from trading account assets supporting insurance liabilities	$ (485)		$ 689		$ 209
Net change in unrealized gains (losses) from other trading account assets	188		264		63
Net investment income	14,729		13,661		13,124
Net carrying value of commercial loans held for sale	158		114
Gross unrealized losses related to high or highest quality securities	4,178		1,866
Gross unrealized losses related to other than high or highest quality securities	274		677
Gross unrealized losses representing declines in value of greater than 20%	4		6
Gross unrealized losses in a continuous loss position for less than six months			4
Twelve months or more Unrealized Losses	2,194		1,833
Fixed maturities, held to maturity	3,312	[1]	4,268	[1]
Held-to-maturity Securities, Fair Value	3,553		4,511
Non Income Producing Assets, Fixed Maturities	11
Non Income Producing Assets, Loans	1
Non Income Producing Assets, Trading Account Assets Supporting Insurance Liabilities	132
Consolidated Feeder Funds Investments in Master Funds	52		97
Unaffiliated Interest in Consolidated Feeder Funds	0		2
Master Funds Gross Assets	972		1,049
Master Funds Gross Liabilities	794		791
Restricted Cash and Investments	162		67
Assets Deposited With Governmental Authorities	211		80
Available-for-sale Securities, Restricted	186		183
Assets Held In Voluntary Trusts	594		594
Prudential, Netting Agreement [Member]
Fixed maturities, held to maturity	2,400		1,500
Held-to-maturity Securities, Fair Value	2,461		1,660
Fixed Maturities [Member]
Fixed maturities, held to maturity	3,312	[2]	4,268	[3]
Held-to-maturity Securities, Fair Value	$ 3,553	[2]	$ 4,511	[3]
California [Member]
Commercial mortgage loan, concentration percentage	26.00%
New York [Member]
Commercial mortgage loan, concentration percentage	9.00%
Texas [Member]
Commercial mortgage loan, concentration percentage	9.00%

[1] (1) See Note 5 for details of balances associated with variable interest entities.

[2] Excludes notes with amortized cost of $2,400 million (fair value, $2,461 million) which have been offset with the associated payables under a netting agreement.

[3] Excludes notes with amortized cost of $1,500 million (fair value, $1,660 million) which have been offset with the associated payables under a netting agreement.