Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2014
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
 
Balance Sheet Classification
 
Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Total
 
 
 
(In $ millions)
As of September 30, 2014
 
 
 
 
 
 
 
Mutual funds
Marketable securities, at fair value
 
36

 
—

 
36

Derivatives Designated as Cash Flow Hedges
 
 
 
 
 
 
 
Cross-currency swaps
Current Other assets
 
—

 
2

 
2

Cross-currency swaps
Noncurrent Other assets
 
—

 
27

 
27

Derivatives Not Designated as Hedges
 
 
 
 
 
 


Foreign currency forwards and swaps
Current Other assets
 
—

 
4

 
4

Total assets
 
36

 
33

 
69

Derivatives Designated as Cash Flow Hedges
 
 
 

 
 

 
 

Interest rate swaps
Current Other liabilities
 
—

 
(4
)
 
(4
)
Interest rate swaps
Noncurrent Other liabilities
 
—

 
(1
)
 
(1
)
Cross-currency swaps
Current Other liabilities
 
—

 
(2
)
 
(2
)
Cross-currency swaps
Noncurrent Other liabilities
 
—

 
(12
)
 
(12
)
Designated as a Net Investment Hedge
 
 
 
 
 
 
 
3.250% Notes(1)
Long-term Debt
 
—

 
—

 
—

Derivatives Not Designated as Hedges
 
 
 
 
 
 
 
Foreign currency forwards and swaps
Current Other liabilities
 
—

 
(5
)
 
(5
)
Total liabilities
 
—

 
(24
)
 
(24
)
As of December 31, 2013
 
 
 
 
 
 
 
Mutual funds
Marketable securities, at fair value
 
41

 
—

 
41

Derivatives Not Designated as Hedges
 
 
 
 
 
 
 
Foreign currency forwards and swaps
Current Other assets
 
—

 
1

 
1

Total assets
 
41

 
1

 
42

Derivatives Designated as Cash Flow Hedges
 
 
 

 
 

 
 

Interest rate swaps
Current Other liabilities
 
—

 
(5
)
 
(5
)
Interest rate swaps
Noncurrent Other liabilities
 
—

 
(3
)
 
(3
)
Derivatives Not Designated as Hedges
 
 
 
 
 
 
 
Interest rate swaps
Current Other liabilities
 
—

 
(2
)
 
(2
)
Foreign currency forwards and swaps
Current Other liabilities
 
—

 
(5
)
 
(5
)
Total liabilities
 
—

 
(15
)
 
(15
)
______________________________
(1) 
Included in the unaudited consolidated balance sheets at carrying amount.
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
 
Carrying
Amount
 
Significant Other
Observable
Inputs
(Level 2)
 
Unobservable
Inputs
(Level 3)
 
Total
 
 
 
(In $ millions)
As of September 30, 2014
 
 
 
 
 
 
 
Cost investments
145

 
—

 
—

 
—

Insurance contracts in nonqualified trusts
57

 
57

 
—

 
57

Long-term debt, including current installments of long-term debt
3,264

 
3,028

 
268

 
3,296

As of December 31, 2013
 
 
 
 
 
 
 
Cost investments
145

 
—

 
—

 
—

Insurance contracts in nonqualified trusts
62

 
62

 
—

 
62

Long-term debt, including current installments of long-term debt
2,911

 
2,696

 
264

 
2,960