Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Derivative [Line Items]

Schedule of Changes in Fair Value of Derivatives

Information regarding changes in the fair value of the Company's derivative and non-derivative instruments is as follows:

	Gain (Loss) Recognized in Other Comprehensive Income (Loss)				Gain (Loss) Recognized in Earnings (Loss)
	Three Months Ended March 31,							Statement of Operations Classification
	2018		2017		2018		2017
	(In $ millions)
Designated as Cash Flow Hedges
Commodity swaps	(2	)	(1	)	—		1	Cost of sales
Total	(2	)	(1	)	—		1
Designated as Net Investment Hedges
Foreign currency denominated debt (Note 10)	(35	)	(13	)	—		—	N/A
Total	(35	)	(13	)	—		—
Not Designated as Hedges
Foreign currency forwards and swaps	—		—		(4	)	1	Foreign exchange gain (loss), net; Other income (expense), net
Total	—		—		(4	)	1

Offsetting Assets

Information regarding the gross amounts of the Company's derivative instruments and the amounts offset in the unaudited consolidated balance sheets is as follows:

	As of March 31, 2018	As of December 31, 2017
	(In $ millions)
Derivative Assets
Gross amount recognized	8	13
Gross amount offset in the consolidated balance sheets	5	4
Net amount presented in the consolidated balance sheets	3	9
Gross amount not offset in the consolidated balance sheets	1	3
Net amount	2	6

Offsetting Liabilities

	As of March 31, 2018	As of December 31, 2017
	(In $ millions)
Derivative Liabilities
Gross amount recognized	8	7
Gross amount offset in the consolidated balance sheets	5	4
Net amount presented in the consolidated balance sheets	3	3
Gross amount not offset in the consolidated balance sheets	1	3
Net amount	2	—

Net Investment Hedging [Member]

Derivative [Line Items]

Schedule of Notional Amounts of Derivative and Nonderivative Instruments

The total notional amount of foreign currency denominated debt designated as a net investment hedge of net investments in foreign operations are as follows:

	As of March 31, 2018	As of December 31, 2017
	(In € millions)
Total	1,050	1,050

Not Designated as Hedging Instrument [Member]

Derivative [Line Items]

Schedule of Notional Amounts of Derivative and Nonderivative Instruments

Gross notional values of the foreign currency forwards and swaps not designated as hedges are as follows:

	As of March 31, 2018	As of December 31, 2017
	(In $ millions)
Total	935	740