Other (Charges) Gains, Net (Schedule of Restructuring Reserves) (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended
Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]  
As of September 30, 2014 $ 29
Total 29
Employee Termination Benefits [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 29
Additions 6
Cash payments (18)
Other changes 0
Exchange rate changes 0
As of September 30, 2014 17
Total 17
Plant/Office Closures [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 33
Additions 0
Cash payments (7)
Other changes (12)
Exchange rate changes (2)
As of September 30, 2014 12
Total 12
Advanced Engineered Materials [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of September 30, 2014 4
Total 4
Advanced Engineered Materials [Member] | Employee Termination Benefits [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 4
Additions 1
Cash payments (1)
Other changes   
Exchange rate changes 0
As of September 30, 2014 4
Total 4
Advanced Engineered Materials [Member] | Plant/Office Closures [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 0
Additions 0
Cash payments 0
Other changes 0
Exchange rate changes 0
As of September 30, 2014 0
Total 0
Consumer Specialties [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of September 30, 2014 2
Total 2
Consumer Specialties [Member] | Employee Termination Benefits [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 3
Additions 0
Cash payments (1)
Other changes 0
Exchange rate changes 0
As of September 30, 2014 2
Total 2
Consumer Specialties [Member] | Plant/Office Closures [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 0
Additions 0
Cash payments 0
Other changes 0
Exchange rate changes 0
As of September 30, 2014 0
Total 0
Industrial Specialties [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of September 30, 2014 1
Total 1
Industrial Specialties [Member] | Employee Termination Benefits [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 2
Additions 1
Cash payments (2)
Other changes 0
Exchange rate changes 0
As of September 30, 2014 1
Total 1
Industrial Specialties [Member] | Plant/Office Closures [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 0
Additions 0
Cash payments 0
Other changes 0
Exchange rate changes 0
As of September 30, 2014 0
Total 0
Acetyl Intermediates [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of September 30, 2014 19
Total 19
Acetyl Intermediates [Member] | Contract Termination [Member]
  
Restructuring Cost and Reserve [Line Items]  
Other changes (10)
Acetyl Intermediates [Member] | Employee Termination Benefits [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 16
Additions 4
Cash payments (13)
Other changes 0
Exchange rate changes 0
As of September 30, 2014 7
Total 7
Acetyl Intermediates [Member] | Plant/Office Closures [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 33
Additions 0
Cash payments (7)
Other changes (12) [1]
Exchange rate changes (2)
As of September 30, 2014 12
Total 12
Other [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of September 30, 2014 3
Total 3
Other [Member] | Employee Termination Benefits [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 4
Additions 0
Cash payments (1)
Other changes 0
Exchange rate changes 0
As of September 30, 2014 3
Total 3
Other [Member] | Plant/Office Closures [Member]
  
Restructuring Cost and Reserve [Line Items]  
As of December 31, 2013 0
Additions 0
Cash payments 0
Other changes 0
Exchange rate changes 0
As of September 30, 2014 0
Total $ 0
[1] Includes a $10 million non-cash reduction to take-or-pay contract termination penalties resulting from the closure of the Company's VAM facility in Tarragona, Spain (Note 3).