Restructuring Charges and Related Payments and Adjustments (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 33	$ 28	$ 29
Activity during the period:
Charges to restructuring	51	86	86
Adjustments of accruals	(4)	(4)	(12)
Discontinued operations charges	3	5	(1)
Non-cash write-off	(2)	(2)	(9)
Pension settlements		(5)
Cash payments	(41)	(77)	(67)
Currency impact		2	2
Ending Balance	40	33	28
Employee Termination Benefits
Restructuring Cost and Reserve [Line Items]
Beginning balance	30	24	26
Activity during the period:
Charges to restructuring	31	39	51
Adjustments of accruals	(4)	(4)	(10)
Discontinued operations charges		5	1
Pension settlements		(5)
Cash payments	(30)	(30)	(46)
Currency impact		1	2
Ending Balance	27	30	24
Accelerated Depreciation/Impairment
Activity during the period:
Charges to restructuring		2	11
Discontinued operations charges	2		(2)
Non-cash write-off	(2)	(2)	(9)
Exit Costs
Restructuring Cost and Reserve [Line Items]
Beginning balance	3	4	3
Activity during the period:
Charges to restructuring	20	45	24
Adjustments of accruals			(2)
Discontinued operations charges	1
Cash payments	(11)	(47)	(21)
Currency impact		1
Ending Balance	$ 13	$ 3	$ 4