Restructuring Charges and Related Payments and Adjustments (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 28	$ 29	$ 65
Activity during the period:
Charges to restructuring	91	85	132
Adjustments of accruals	(4)	(12)	(14)
Non-cash write-off	(2)	(9)	(18)
Pension settlements	(5)
Cash payments	(77)	(67)	(138)
Currency impact	2	2	2
Ending balance	33	28	29
Employee Termination Benefits
Restructuring Cost and Reserve [Line Items]
Beginning balance	24	26	55
Activity during the period:
Charges to restructuring	44	52	91
Adjustments of accruals	(4)	(10)	(8)
Pension settlements	(5)
Cash payments	(30)	(46)	(114)
Currency impact	1	2	2
Ending balance	30	24	26
Accelerated Depreciation/Impairment
Activity during the period:
Charges to restructuring	2	9	18
Non-cash write-off	(2)	(9)	(18)
Exit Costs
Restructuring Cost and Reserve [Line Items]
Beginning balance	4	3	10
Activity during the period:
Charges to restructuring	45	24	23
Adjustments of accruals		(2)	(6)
Cash payments	(47)	(21)	(24)
Currency impact	1
Ending balance	$ 3	$ 4	$ 3