Other non-current liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Other non-current liabilities [Abstract]

Other non-current liabilities

Other non-current liabilities are comprised of the following:

(In US$ millions)	December 31, 2012		December 31, 2011
Accrued pension liabilities		55		43
Deferred mobilization revenues – long-term portion		225		130
Other non-current liabilities		8		15
Total other non-current liabilities		288		188