Inventory, Work in Process and Raw Materials, Net of Reserves ⓘCompanies tag every number in their SEC filings with a standard name. This page collects every value Apple Inc. reported under this one.us-gaap:InventoryWorkInProcessAndRawMaterialsNetOfReserves

The aggregate carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of items which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.