Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment, Net [Abstract]

Schedule of Property, Plant and Equipment, Net

	As of December 31,
	2017		2016
	(In $ millions)
Land	47		38
Land improvements	72		70
Buildings and building improvements	758		695
Machinery and equipment	5,101		4,753
Construction in progress	368		260
Gross asset value	6,346		5,816
Accumulated depreciation	(2,584	)	(2,239	)
Net book value	3,762		3,577

Schedule of Assets Under Capital Leases

Assets under capital leases, net, included in the amounts above are as follows:

	As of December 31,
	2017		2016
	(In $ millions)
Buildings	14		13
Machinery and equipment	296		291
Accumulated depreciation	(179	)	(149	)
Net book value	131		155

Schedule of Capitalized Interest and Depreciation Expense

Capitalized interest costs and depreciation expense are as follows:

	Year Ended December 31,
	2017	2016	2015
	(In $ millions)
Capitalized interest	6	5	15
Depreciation expense	285	281	346