Reporting Segments (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Net Sales by Reporting Segment

Net Sales by Reporting Segment

	Three Months Ended June 30,						Six Months Ended June 30,
(millions of dollars)	2014			2013			2014			2013
Engine	$	1,497.5		$	1,288.3		$	2,909.6		$	2,545.8
Drivetrain	708.7			613.5			1,389.4			1,214.9
Inter-segment eliminations	(9.2		)	(7.9		)	(17.9		)	(15.7		)
Net sales	$	2,197.0		$	1,893.9		$	4,281.1		$	3,745.0

Segment Earnings Before Interest and Income Taxes

Adjusted Earnings Before Interest, Income Taxes and Noncontrolling Interest (“Adjusted EBIT”)

	Three Months Ended June 30,						Six Months Ended June 30,
(millions of dollars)	2014			2013			2014			2013
Engine	$	241.7		$	220.3		$	473.4		$	422.6
Drivetrain	89.1			59.8			169.6			115.8
Adjusted EBIT	330.8			280.1			643.0			538.4
Restructuring expense	15.0			—			54.5			—
Program termination agreement	—			—			—			11.3
Retirement related obligations	—			—			—			5.9
Corporate, including equity in affiliates' earnings and stock-based compensation	23.0			25.6			53.7			58.5
Interest income	(1.4		)	(1.0		)	(2.9		)	(2.0		)
Interest expense and finance charges	9.0			8.8			17.2			18.5
Earnings before income taxes and noncontrolling interest	285.2			246.7			520.5			446.2
Provision for income taxes	85.3			66.6			153.4			117.5
Net earnings	199.9			180.1			367.1			328.7
Net earnings attributable to the noncontrolling interest, net of tax	9.7			6.0			17.8			12.6
Net earnings attributable to BorgWarner Inc.	$	190.2		$	174.1		$	349.3		$	316.1

Segment assets

Total Assets

(millions of dollars)	June 30, 2014		December 31, 2013
Engine	$	4,091.4	$	3,519.1
Drivetrain	1,828.6		1,786.6
Total	5,920.0		5,305.7
Corporate (a)	1,537.0		1,611.3
Total assets	$	7,457.0	$	6,917.0

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(a) Corporate assets include investments and advances and deferred income taxes.