# OCI Field Dictionary

<table data-full-width="true"><thead><tr><th width="112">Prefix</th><th width="210">OCI Billing Field</th><th width="421">Description</th><th width="174">Services</th></tr></thead><tbody><tr><td>lineItem</td><td>lineItem/referenceNo</td><td>Line identifier. Used for debugging and corrections.</td><td>Cost Reports</td></tr><tr><td>lineItem</td><td>lineItem/TenantId</td><td>The identifier (OCID) for the Oracle Cloud Infrastructure tenant.</td><td>Cost Reports</td></tr><tr><td>lineItem</td><td>lineItem/intervalUsageStart</td><td>The start time of the usage interval for the resource in UTC.</td><td>Cost Reports</td></tr><tr><td>lineItem</td><td>lineItem/intervalUsageEnd</td><td>The end time of the usage interval for the resource in UTC.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/service</td><td>The service that the resource is in.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/compartmentId</td><td>The ID of the compartment that contains the resource.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/compartmentName</td><td>The name of the compartment that contains the resource.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/region</td><td>The region that contains the resource.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/availabilityDomain</td><td>The Availability domain that contains the resource.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/resourceId</td><td>The identifier for the resource.</td><td>Cost Reports</td></tr><tr><td>usage</td><td>usage/billedQuantity</td><td><p>The quantity of the resource that has been billed over the usage interval.</p><p>Note: billedQuantity, myCost, and unitPrice are inclusive of Overage numbers.</p></td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/billingUnitReadable</td><td>The unit measure associated with the usage/billedQuantity in the line. This field is structured as: &#x3C;GiB/MiB/TiB/PiB> &#x3C;HOURS/MILLIS/MONTH/SECOND> . For example: ONE GiB MONTH DATA_TRANSFERRED.</td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/subscriptionId</td><td>A unique identifier associated with your commitment or subscription.</td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/productSku</td><td>The Part Number for the resource in the line.</td><td>Cost Reports</td></tr><tr><td>product</td><td>product/description</td><td>The product description for the resource in the line.</td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/unitPrice</td><td><p>The cost billed to you for each unit of the resource used.</p><p>Note: billedQuantity, myCost, and unitPrice are inclusive of Overage numbers.</p></td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/myCost</td><td><p>The cost charged for this line of usage. myCost is equal to usage/billedQuanty * cost/unitPrice.</p><p>Note: billedQuantity, myCost, and unitPrice are inclusive of Overage numbers.</p></td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/currencyCode</td><td>The currency code for your tenancy.</td><td>Cost Reports</td></tr><tr><td>usage</td><td>usage/billedQuantityOverage</td><td>The usage quantity for which you were billed.</td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/unitPriceOverage</td><td>The cost per unit of usage for overage usage of a resource.</td><td>Cost Reports</td></tr><tr><td>cost</td><td>cost/myCostOverage</td><td>The cost billed for overage usage of a resource.</td><td>Cost Reports</td></tr><tr><td>lineItem</td><td>lineItem/backReference</td><td>Data amendments and corrections reference. If a correction to an existing line item is needed, a new row is added with the corrected values and a reference to the original line. Used with the lineItem/isCorrection field.</td><td>Cost Reports</td></tr><tr><td>lineItem</td><td>lineItem/isCorrection</td><td>Used if the current line is a correction. See the lineitem/backReference column for a reference to the corrected line item.</td><td>Cost Reports</td></tr><tr><td>tags</td><td>tags/</td><td>The report contains one column per tag definition (includes all tag definitions, not just cost tracking tags).</td><td>Cost Reports</td></tr></tbody></table>