Consolidated Statement of Changes in Equity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended												6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Comprehensive Income (Loss)	Jun. 30, 2012 Comprehensive Income (Loss)	Jun. 30, 2013 Retained Earnings	Jun. 30, 2012 Retained Earnings	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss)	Jun. 30, 2012 Accumulated Other Comprehensive Income (Loss)	Jun. 30, 2013 Common Stock	Dec. 31, 2012 Common Stock	Jun. 30, 2012 Common Stock	Dec. 31, 2011 Common Stock	Jun. 30, 2013 Treasury Stock	Jun. 30, 2012 Treasury Stock	Jun. 30, 2013 Paid-in Capital	Jun. 30, 2012 Paid-in Capital	Jun. 30, 2013 Non- Controlling Interest	Dec. 31, 2012 Non- Controlling Interest	Jun. 30, 2012 Non- Controlling Interest	Dec. 31, 2011 Non- Controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 3,478	$ 3,501			$ 3,463	$ 3,616	$ (3,268)	$ (3,367)	$ 151	$ 151	$ 151	$ 151	$ (521)	$ (550)	$ 3,652	$ 3,650	$ 1	$ 1	$ 1	$ 1
Comprehensive income:
Net (loss) income	(78)	101	(151)	(118)	(151)	(118)	(151)	(118)
Other comprehensive income (loss), net of tax:
Pension and other benefit adjustments	69	66	138	136	138	136			138	136
Currency translation adjustment	19	(91)	(18)	16	(18)	16			(18)	16
Issuance of conversion option in 2019 Senior Convertible Notes, net of tax			31														31
Employee stock plans			12	12											39	29	(27)	(17)
Dividends paid on common stock			(14)	(14)			(14)	(14)
Other			(2)				(2)
Ending balance	$ 3,474	$ 3,533	$ 3,474	$ 3,533	$ (31)	$ 34	$ 3,296	$ 3,484	$ (3,148)	$ (3,215)	$ 151	$ 151	$ 151	$ 151	$ (482)	$ (521)	$ 3,656	$ 3,633	$ 1	$ 1	$ 1	$ 1