Plant, Property and Equipment - Plant, Property and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property Plant And Equipment [Abstract]
Land and improvements	$ 506	$ 554
Buildings and improvements	2,895	2,985
Furniture, fixtures and equipment	1,865	1,876
Construction work in process	152	169
Property, Plant and Equipment, Gross, Total	5,418	5,584
Less accumulated depreciation and amortization	(2,384)	(2,422)
Plant, property and equipment, net	$ 3,034	$ 3,162