Properties and Equipment, Net (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 696		$ 762
Accumulated depreciation and amortization	(427)	[1]	(486)	[1]
Properties and equipment, net	269		276
Depreciation and amortization	59		61		77
Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Life	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Life	40 years
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8		8
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	551	[1]	617	[1]
Buildings and improvements | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Life	10 years
Buildings and improvements | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Life	40 years
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 137		$ 137
Furniture and equipment | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Life	3 years
Furniture and equipment | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Life	30 years

[1] Decreases since December 31, 2012 are due primarily to the retirement of assets associated with a corporate location in Buffalo, NY, which we exited in 2013.