Fair Value Measurements (Tables)

6 Months Ended

Jun. 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 Location	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	60	—		60
Derivatives Designated as Cash Flow Hedges
Interest rate swaps	Noncurrent other assets	—	—		—
Derivatives Not Designated as Hedges
Foreign currency forwards and swaps	Current other assets	—	2		2
Total assets as of June 30, 2012		60	2		62
Derivatives Designated as Cash Flow Hedges
Interest rate swaps	Current other liabilities	—	(14	)	(14	)
Interest rate swaps	Noncurrent other liabilities	—	(11	)	(11	)
Derivatives Not Designated as Hedges
Interest rate swaps	Current other liabilities	—	—		—
Foreign currency forwards and swaps	Current other liabilities	—	(3	)	(3	)
Total liabilities as of June 30, 2012		—	(28	)	(28	)
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 June 30, 2012
Cost investments	155	—	—	—
Insurance contracts in nonqualified trusts	67	67	—	67
Long-term debt, including current installments of long-term debt	2,885	2,726	243	2,969
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