Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2011

Fair Value Measurements [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
	Quoted Prices in
	Active Markets for		Significant Other
	Identical Assets		Observable Inputs
	(Level 1)		(Level 2)			Total
	(In $ millions)
Marketable securities, at fair value
Mutual funds		70		-			70
Derivatives not designated as hedging instruments
Foreign currency forwards and swaps		-		4			4 (1)
Total assets as of June 30, 2011		70		4			74
Derivatives designated as cash flow hedging instruments
Interest rate swaps		-		(41	)		(41	) (2)
Interest rate swaps		-		(11	)		(11	) (3)
Derivatives not designated as hedging instruments
Interest rate swaps		-		(5	)		(5	) (2)
Foreign currency forwards and swaps		-		(10	)		(10	) (2)
Total liabilities as of June 30, 2011		-		(67	)		(67	)
Marketable securities, at fair value
US corporate debt securities		-		1			1
Mutual funds		77		-			77
Derivatives not designated as hedging instruments
Foreign currency forwards and swaps		-		3			3	(1)
Total assets as of December 31, 2010		77		4			81
Derivatives designated as cash flow hedging instruments
Interest rate swaps		-		(59	)		(59	) (2)
Interest rate swaps		-		(14	)		(14	) (3)
Derivatives not designated as hedging instruments
Foreign currency forwards and swaps		-		(10	)		(10	) (2)
Total liabilities as of December 31, 2010		-		(83	)		(83	)

(1)	Included in current Other assets in the unaudited consolidated balance sheets.
(2)	Included in current Other liabilities in the unaudited consolidated balance sheets.
(3)	Included in noncurrent Other liabilities in the unaudited consolidated balance sheets.

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 in the Company's unaudited consolidated balance sheets are as follows:

	As of				As of
	June 30,				December 31,
	2011				2010
	Carrying		Fair		Carrying		Fair
	Amount		Value		Amount		Value
	(In $ millions)
Cost investments		140		-		139		-
Insurance contracts in nonqualified pension trusts		68		68		70		70
Long-term debt, including current installments of long-term debt		2,951		3,179		3,064		3,087