Reporting Segments (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Net Sales by Reporting Segment

	Three Months Ended June 30,						Six Months Ended June 30,
(in millions)	2019			2018			2019			2018
Engine	$	1,569		$	1,674		$	3,167		$	3,390
Drivetrain	998			1,034			1,980			2,117
Inter-segment eliminations	(16		)	(14		)	(30		)	(29		)
Net sales	$	2,551		$	2,694		$	5,117		$	5,478

Segment Earnings Before Interest and Income Taxes

	Three Months Ended June 30,						Six Months Ended June 30,
(in millions)	2019			2018			2019			2018
Engine	$	249		$	279		$	490		$	559
Drivetrain	102			116			207			237
Adjusted EBIT	351			395			697			796
Restructuring expense	13			31			27			39
Merger, acquisition and divestiture expense	5			1			6			3
Other expense (income)	—			—			14			(5		)
Officer stock awards modification	—			(4		)	2			(4		)
Corporate, including equity in affiliates' earnings and stock-based compensation	39			41			81			94
Interest income	(2		)	(1		)	(5		)	(3		)
Interest expense	14			15			28			31
Other postretirement expense (income)	27			(2		)	27			(5		)
Earnings before income taxes and noncontrolling interest	255			314			517			646
Provision for income taxes	73			30			164			125
Net earnings	182			284			353			521
Net earnings attributable to the noncontrolling interest, net of tax	10			12			21			24
Net earnings attributable to BorgWarner Inc.	$	172		$	272		$	332		$	497

Segment assets

	June 30,		December 31,
(in millions)	2019		2018
Engine	$	4,780	$	4,731
Drivetrain	3,906		3,920
Total	8,686		8,651
Corporate *	1,545		1,444
Total assets	$	10,231	$	10,095

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*    Corporate assets include investments and other long-term receivables and certain deferred income taxes.