Restructuring - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 30, 2013 Person	Dec. 31, 2012 Person
Restructuring Cost and Reserve [Line Items]
Number of employees	400	1,000
Total restructuring costs	$ 22
Water & Fluid Solutions
Restructuring Cost and Reserve [Line Items]
Number of employees	100	500
Total restructuring costs	7
Valves & Controls
Restructuring Cost and Reserve [Line Items]
Number of employees	100	300
Total restructuring costs	5
Technical Solutions
Restructuring Cost and Reserve [Line Items]
Number of employees	200	200
Total restructuring costs	$ 10