Ann: Gorgon Jetty Update, page-11

All that Cimic stands to receive is $43m ($78m less $35m). Beyond that it is all accounting adjustments.
The balance sheet equity is probably not worth paying too much attention. Nothing new in that as there are lots of companies which have small balance sheet equity.
Why would Elliott pay over $2b for half of Thiess despite low book value? Answer is : the value in Thiess is in the business. Elliot is paying about 7 times EBITDA of Thiess.