Insurance Premiums (Roll Forward Of Premiums Receivable) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Insurance Premiums [Abstract]
Premiums Receivable, Beginning balance	$ 1,228		$ 1,360
Premium Payments Received	(135)		(182)
Premiums from New Business Written	0		5
Adjustments, Changes in Expected Term of Policies	(45)		(57)
Adjustments, Accretion of Premiums Receivable Discount	28		32
Adjustments, Other	(25)	[1]	70	[1]
Premiums Receivable, Ending balance	$ 1,051		$ 1,228

[1] Primarily consists of unrealized gains (losses) due to foreign currency exchange rates.