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Marketable Securities, at Fair Value (Tables)
12 Months Ended
Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-sale Securities Reconciliation
The Company's nonqualified trusts hold available-for-sale securities for funding requirements of the Company's nonqualified pension plans (Note 15) as follows:
 
As of December 31,
 
2015
 
2014
 
(In $ millions)
Amortized cost
30

 
32

Gross unrealized gain

 

Gross unrealized loss

 

Fair value
30

 
32