Revenue from External Customers table (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting [Line Items]
Revenues from external customers	$ 8,420	[1]	$ 7,964	[1]	$ 7,363	[1]
Clean Air Systems And Products
Segment Reporting [Line Items]
Revenues from external customers	5,811		5,444		4,926
Clean Air Systems And Products | Aftermarket
Segment Reporting [Line Items]
Revenues from external customers	318		327		318
Clean Air Systems And Products | Original Equipment
Segment Reporting [Line Items]
Revenues from external customers	5,493		5,117		4,608
Clean Air Systems And Products | Original Equipment | OE Value-add
Segment Reporting [Line Items]
Revenues from external customers	3,559		3,282		2,948
Clean Air Systems And Products | Original Equipment | OE Substrate
Segment Reporting [Line Items]
Revenues from external customers	1,934		1,835		1,660
Ride Control Systems And Products
Segment Reporting [Line Items]
Revenues from external customers	2,609		2,520		2,437
Ride Control Systems And Products | Aftermarket
Segment Reporting [Line Items]
Revenues from external customers	976		953		944
Ride Control Systems And Products | Original Equipment
Segment Reporting [Line Items]
Revenues from external customers	$ 1,633		$ 1,567		$ 1,493

[1] Revenues are attributed to countries based on location of the shipper.