Other Income (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Income and Expenses [Abstract]
Royalty income	$ 48	$ 51	$ 55
Share of net (losses)/earnings of equity affiliates (See Note 5)	(8)	9	36
Gain on sale of assets	6	3	7
Other	85	76	54
Total	$ 131	$ 139	$ 152