XML 87 R11.htm IDEA: XBRL DOCUMENT v2.4.0.6
Marketable Securities, at Fair Value
9 Months Ended
Sep. 30, 2012
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities, at Fair Value
Marketable Securities, at Fair Value
The Company’s captive insurance companies and nonqualified trusts hold available-for-sale securities for capitalization and funding requirements, respectively.
The amortized cost, gross unrealized gain, gross unrealized loss and fair values for available-for-sale securities by major security type are as follows:
 
As of
 
As of
 
September 30,
2012
 
December 31,
2011
 
(In $ millions)
Mutual Funds
 
 
 
Amortized cost
56

 
64

Gross unrealized gain

 

Gross unrealized loss

 

Fair value
56

 
64


See Note 16, Fair Value Measurements, for additional information regarding the fair value of the Company's marketable securities.