Supplementary Information - Interest and Other Income, Net (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Interest income	$ 33	$ 30	$ 40
Equity in net earnings of affiliated companies	132	142	90
Interest and other income, net	$ 165	$ 172	$ 130