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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2017
Supplemental Cash Flow Information [Abstract]  
Schedule of Supplemental Cash Flow Information
 
Year Ended December 31,
 
2017
 
2016
 
2015
 
(In $ millions)
Interest paid, net of amounts capitalized
130

 
130

 
120

Taxes paid, net of refunds
123

 
129

 
151

Noncash Investing and Financing Activities
 

 
 

 
 

Accrued capital expenditures
14

 
1

 
(37
)
Asset retirement obligations
2

 
2

 
3

Capital lease obligations
—

 
—

 
6

Fair value adjustment to securities available for sale, net of tax
(1
)
 
—

 
—

Distribution to noncontrolling interests (Note 5)
—

 
—

 
(4
)