Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Summarized financial information is shown in the following tables. Consistent accounting policies have been applied by all segments within the Company, for all reporting periods. The current year results, and balances, may not be comparable to prior years as the current year includes the results of Baker Hughes from July 3, 2017.



Segment revenue	2018		2017		2016
Oilfield Services	$	11,617	$	5,881	$	788
Oilfield Equipment	2,641		2,661		3,540
Turbomachinery & Process Solutions	6,015		6,295		6,668
Digital Solutions	2,604		2,342		2,086
Total	$	22,877	$	17,179	$	13,082

The performance of our operating segments is evaluated based on segment operating income (loss), which is defined as income (loss) before income taxes and equity in loss of affiliate and before the following: net interest expense, net other non operating income, corporate expenses, restructuring, impairment and other charges, inventory impairments, merger and related costs, goodwill impairments and certain gains and losses not allocated to the operating segments.



Segment income (loss) before income taxes	2018			2017			2016
Oilfield Services	$	785		$	67		$	(207	)
Oilfield Equipment	—			26			305
Turbomachinery & Process Solutions	621			665			1,058
Digital Solutions	390			357			363
Total segment	1,796			1,115			1,519
Corporate	(405		)	(370		)	(375		)
Inventory impairment and related charges ⁽¹⁾	(105		)	(244		)	(138		)
Restructuring, impairment and other	(433		)	(412		)	(516		)
Merger and related costs	(153		)	(373		)	(33		)
Other non operating income, net	202			80			3
Interest expense, net	(223		)	(131		)	(102		)
Total	$	680		$	(335	)	$	358


⁽¹⁾	Inventory impairments and related charges are reported in the "Cost of goods sold" caption of the consolidated and combined statements of income (loss). 2017 includes $87 million of adjustments to write-up the acquired inventory to its estimated fair value on acquisition of Baker Hughes as this inventory was used or sold in the six months ended December 31, 2017.

Schedule of assets by segment

The following table presents total assets by segment at December 31:



Segment assets	2018		2017
Oilfield Services	$	30,941	$	32,841
Oilfield Equipment	7,298		7,613
Turbomachinery & Process Solutions	8,529		9,147
Digital Solutions	4,063		3,830
Total segment	50,831		53,431
Corporate and eliminations ⁽¹⁾	1,608		3,069
Total	$	52,439	$	56,500


⁽¹⁾	Corporate and eliminations in total segment assets includes adjustments of intercompany investments and receivables that are reflected within the total assets of the four reportable segments.

Schedule of segment depreciation and amortization

The following table presents depreciation and amortization by segment for the years ended December 31:



Segment depreciation and amortization	2018		2017		2016
Oilfield Services	$	1,003	$	613	$	132
Oilfield Equipment	173		187		154
Turbomachinery & Process Solutions	156		174		186
Digital Solutions	112		119		78
Total Segment	1,444		1,093		550
Corporate	42		10		—
Total	$	1,486	$	1,103	$	550

Schedule of revenues and property, plant and equipment, net

The following table presents net property, plant and equipment by its geographic location at December 31:



Property, plant and equipment - net	2018		2017		2016
U.S.	$	2,654	$	3,369	$	833
Non-U.S.	3,574		3,590		1,492
Total	$	6,228	$	6,959	$	2,325