Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

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	45	—		45
Derivatives Not Designated as Hedges
Foreign currency forwards and swaps	Current Other assets	—	2		2
Total assets as of June 30, 2013		45	2		47
Derivatives Designated as Cash Flow Hedges
Interest rate swaps	Current Other liabilities	—	(8	)	(8	)
Interest rate swaps	Noncurrent Other liabilities	—	(2	)	(2	)
Derivatives Not Designated as Hedges
Interest rate swaps	Current Other liabilities	—	(4	)	(4	)
Foreign currency forwards and swaps	Current Other liabilities	—	(5	)	(5	)
Total liabilities as of June 30, 2013		—	(19	)	(19	)
Mutual funds	Marketable securities, at fair value	53	—		53
Derivatives Not Designated as Hedges
Foreign currency forwards and swaps	Current Other assets	—	2		2
Total assets as of December 31, 2012		53	2		55
Derivatives Designated as Cash Flow Hedges
Interest rate swaps	Current Other liabilities	—	(10	)	(10	)
Interest rate swaps	Noncurrent Other liabilities	—	(7	)	(7	)
Derivatives Not Designated as Hedges
Interest rate swaps	Current Other liabilities	—	(5	)	(5	)
Interest rate swaps	Noncurrent Other liabilities	—	(1	)	(1	)
Foreign currency forwards and swaps	Current Other liabilities	—	(8	)	(8	)
Total liabilities as of December 31, 2012		—	(31	)	(31	)

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, 2013
Cost investments	147	—	—	—
Insurance contracts in nonqualified trusts	62	62	—	62
Long-term debt, including current installments of long-term debt	2,983	2,801	244	3,045
As of December 31, 2012
Cost investments	156	—	—	—
Insurance contracts in nonqualified trusts	66	66	—	66
Long-term debt, including current installments of long-term debt	2,990	2,886	244	3,130