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Commitments and Contingencies
6 Months Ended
Jun. 30, 2011
Commitments And Contingencies [Abstract]  
Commitments and Contingencies

Note 10 – Commitments and Contingencies

We have previously disclosed a potential commitment on a drilling rig in our North Sea operations relating to a dispute with the rig operator.  On June 6, 2011, we entered into a settlement agreement with the rig operator whereby the parties were mutually released from all future claims.  We incurred costs of $14 million related to the settlement, which were included in capital expenditures.