Discontinued — last reported Q1 '16
An increase suggests falling market prices for refined products or oversupply conditions, signaling potential margin compression. A decrease or absence of write-downs suggests stable or rising market prices and effective inventory management.
This metric represents the non-cash expense recognized when the carrying value of refined petroleum product inventories...
Peers in the downstream refining sector report similar adjustments under inventory valuation policies, often categorized as lower-of-cost-or-market (LCM) adjustments or inventory valuation reserves.
mpc_segment_refining_and_marketing_inventory_write_down