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Noncurrent Other Liabilities
 3 Months Ended
Mar. 31, 2020
Other Liabilities, Noncurrent [Abstract]  
Noncurrent Other Liabilities Noncurrent Other Liabilities
 
As of
March 31,
2020
 
As of
December 31,
2019
 
(In $ millions)
Asset retirement obligations
14

 
13

Deferred proceeds
42

 
43

Deferred revenue (Note 18)
6

 
6

Derivatives (Note 14)
94

 
50

Environmental (Note 10)
45

 
49

Insurance
36

 
34

Other
26

 
28

Total
263

 
223