Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are as follows:

		Fair Value Measurement Using
	Balance Sheet Classification	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)		Total
		(In $ millions)
Mutual funds	Marketable securities, at fair value	56	—		56
Derivatives Not Designated as Hedges
Foreign currency forwards and swaps	Current other assets	—	1		1
Total assets as of September 30, 2012		56	1		57
Derivatives Designated as Cash Flow Hedges
Interest rate swaps	Current other liabilities	—	(15	)	(15	)
Interest rate swaps	Noncurrent other liabilities	—	(12	)	(12	)
Derivatives Not Designated as Hedges
Foreign currency forwards and swaps	Current other liabilities	—	(4	)	(4	)
Total liabilities as of September 30, 2012		—	(31	)	(31	)
Mutual funds	Marketable securities, at fair value	64	—		64
Derivatives Not Designated as Hedges
Foreign currency forwards and swaps	Current other assets	—	9		9
Total assets as of December 31, 2011		64	9		73
Derivatives Designated as Cash Flow Hedges
Interest rate swaps	Current other liabilities	—	(21	)	(21	)
Interest rate swaps	Noncurrent other liabilities	—	(13	)	(13	)
Derivatives Not Designated as Hedges
Interest rate swaps	Current other liabilities	—	(2	)	(2	)
Foreign currency forwards and swaps	Current other liabilities	—	(3	)	(3	)
Total liabilities as of December 31, 2011		—	(39	)	(39	)

Schedule of Carrying Values and Fair Values of Financial Instruments

Carrying values and fair values of financial instruments that are not carried at fair value are as follows:

		Fair Value Measurement Using
	Carrying Amount	Significant Other Observable Inputs (Level 2)	Unobservable Inputs (Level 3)	Total
		(In $ millions)
As of September 30, 2012
Cost investments	155	—	—	—
Insurance contracts in nonqualified trusts	66	66	—	66
Long-term debt, including current installments of long-term debt	2,881	2,749	237	2,986
As of December 31, 2011
Cost investments	147	—	—	—
Insurance contracts in nonqualified trusts	69	69	—	69
Long-term debt, including current installments of long-term debt	2,911	2,719	248	2,967