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Noncurrent Other Liabilities (Tables)
 12 Months Ended
Dec. 31, 2011
Other Liabilities, Noncurrent [Abstract]  
Schedule of Noncurrent Other Liabilities
 
As of December 31,
 
2011
 
2010
 
(In $ millions)
Environmental (Note 15)
71

 
85

Insurance
64

 
69

Deferred revenue
40

 
46

Deferred proceeds(1)
892

 
781

Asset retirement obligations
42

 
46

Derivatives (Note 21)
13

 
14

Income taxes payable
2

 
4

Other
29

 
30

Total
1,153

 
1,075

___________________________
(1) Primarily relates to proceeds received from the Frankfurt, Germany Airport as part of a settlement for the Company to relocate its Kelsterbach, Germany Ticona operations, included in the Advanced Engineered Materials segment, to a new site (Note 27). Such proceeds will be deferred until the transfer of title to the Frankfurt, Germany Airport. The Company recognized $8 million of deferred proceeds during the three months ended June 30, 2011 related to the completed sale of its Pampa, Texas facility included in the Acetyl Intermediates segment. Plant assets with a net book value of $9 million related to the Company's Pampa, Texas facility were included in Assets held for sale in the consolidated balance sheet as of December 31, 2010.
Schedule of Changes in Asset Retirement Obligations
Changes in asset retirement obligations are as follows:
 
Year Ended December 31,
 
2011
 
2010
 
2009
 
(In $ millions)
Balance at beginning of year
77

 
67

 
49

Additions(1)
—

 
—

 
14

Accretion
3

 
3

 
2

Payments
(10
)
 
(15
)
 
(14
)
Revisions to cash flow estimates(2)
(5
)
 
23

 
15

Exchange rate changes
(1
)
 
(1
)
 
1

Balance at end of year
64

 
77

 
67

______________________________
(1) Primarily relates to sites and impaired long-lived assets (Note 17) which management no longer considers to have an indeterminate life.
(2) Primarily relates to revisions to the estimated cost of future plant closures.