Capex - sustaining capexGeneral editorial comment:
This whole business of trying to draw a line between capex and ongoing sustaining capital is a real cesspool/quagmire in my opinion.
There's too much room/latitude for interpretation, mistakes, and downright deception. I'm not trying to dump on Marathon in particular - this is an industry problem. If more details become available, I'll be interested in seeing what items have been moved between ledger columns in this case. But Marathon is far from alone.