Investments (Credit Losses Recognized In Earnings on Fixed Maturity Securities Held by the Company) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Credit losses recognized in earnings on fixed maturity securities
Credit Losses Recognized In Earnings, BOP	$ 1,166		$ 1,475
Credit loss impairments previously recognized on securities which matured, paid down, prepaid or were sold during the period	(314)		(384)
Credit loss impairments previously recognized on securities impaired to fair value during the period	(4)	[1]	(88)	[1]
Credit loss impairment recognized in the current period on securities not previously impaired	9		33
Additional credit loss impairments recognized in the current period on securities previously impaired	74		94
Increases due to the passage of time on previously recorded credit losses	52		63
Accretion of credit loss impairments previously recognized due to an increase in cash flows expected to be collected	(15)		(27)
Credit Losses Recognized In Earnings, EOP	$ 968		$ 1,166

[1] Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security’s amortized cost.