Components of Net Periodic Benefit Cost (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost — benefits earned during the period	$ 1	$ 0	$ 1	$ 0
Interest cost	4	5	9	10
Expected return on plan assets	(6)	(6)	(11)	(11)
Net amortization:
Actuarial loss	3	2	5	4
Prior service cost (credit)	0	0	0	0
Net pension and postretirement costs	2	1	4	3
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost — benefits earned during the period	3	2	5	4
Interest cost	4	5	8	9
Expected return on plan assets	(5)	(6)	(10)	(11)
Net amortization:
Actuarial loss	3	2	6	4
Prior service cost (credit)	1	1	1	1
Net pension and postretirement costs	6	4	10	7
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost — benefits earned during the period	0	0	0	0
Interest cost	2	1	3	3
Expected return on plan assets	0	0	0	0
Net amortization:
Actuarial loss	1	2	2	3
Prior service cost (credit)	(2)	(2)	(3)	(3)
Net pension and postretirement costs	$ 1	$ 1	$ 2	$ 3