Amounts Recognized in Balance Sheet and Accumlated Other Comprehensive Loss (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	$ 8	$ 10
Noncurrent liabilities	(762)	(740)
United States Pension Plans of US Entity, Defined Benefit
Amounts recognized in the consolidated balance sheet:
Noncurrent liabilities	(434)	(410)
Net amount recognized	(434)	(410)
Amounts recognized in AOCI:
Net actuarial loss (gain)	443	397
Gross amount recognized	443	397
Net amount recognized	443	397
Foreign Pension Plans, Defined Benefit
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	8	10
Current liabilities	(10)	(10)
Noncurrent liabilities	(198)	(205)
Net amount recognized	(200)	(205)
Amounts recognized in AOCI:
Net actuarial loss (gain)	12	18
Prior service cost	6	6
Gross amount recognized	18	24
Deferred tax benefits	(2)	(3)
Minority and equity interests	(1)	(1)
Net amount recognized	15	20
Foreign Postretirement Benefit Plans, Defined Benefit
Amounts recognized in the consolidated balance sheet:
Current liabilities	(7)	(7)
Noncurrent liabilities	(130)	(125)
Net amount recognized	(137)	(132)
Amounts recognized in AOCI:
Net actuarial loss (gain)		(7)
Gross amount recognized		(7)
Net amount recognized		$ (7)