Reporting Segments (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Net Sales by Reporting Segment

Net Sales by Reporting Segment

	Three Months Ended September 30,						Nine Months Ended September 30,
(millions of dollars)	2014			2013			2014			2013
Engine	$	1,412.4		$	1,210.3		$	4,322.0		$	3,756.1
Drivetrain	627.0			604.0			2,016.4			1,818.9
Inter-segment eliminations	(7.3		)	(8.1		)	(25.2		)	(23.8		)
Net sales	$	2,032.1		$	1,806.2		$	6,313.2		$	5,551.2

Segment Earnings Before Interest and Income Taxes

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

	Three Months Ended September 30,						Nine Months Ended September 30,
(millions of dollars)	2014			2013			2014			2013
Engine	$	222.6		$	195.5		$	696.0		$	618.1
Drivetrain	68.0			65.9			237.6			181.7
Adjusted EBIT	290.6			261.4			933.6			799.8
Restructuring expense	13.1			—			67.6			—
Pension settlement	2.7			—			2.7			—
Program termination agreement	—			—			—			11.3
Retirement related obligations	—			—			—			5.9
Corporate, including equity in affiliates' earnings and stock-based compensation	22.3			25.4			76.0			83.9
Interest income	(1.4		)	(1.3		)	(4.3		)	(3.3		)
Interest expense and finance charges	9.0			8.1			26.2			26.6
Earnings before income taxes and noncontrolling interest	244.9			229.2			765.4			675.4
Provision for income taxes	71.9			56.3			225.3			173.8
Net earnings	173.0			172.9			540.1			501.6
Net earnings attributable to the noncontrolling interest, net of tax	6.4			6.1			24.2			18.7
Net earnings attributable to BorgWarner Inc.	$	166.6		$	166.8		$	515.9		$	482.9

Segment assets

Total Assets

(millions of dollars)	September 30, 2014		December 31, 2013
Engine	$	3,968.6	$	3,519.1
Drivetrain	1,793.6		1,786.6
Total	5,762.2		5,305.7
Corporate (a)	1,520.1		1,611.3
Total assets	$	7,282.3	$	6,917.0

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