Hewlett-Packard Co. on Wednesday filed paperwork with the Securities Exchange Commission, taking an important step toward the tech giant’s breakup on Nov. 1.

The filing outlines the balance sheet, based on the past performance of H-P’s Enterprise Group, of a new corporate technology company called Hewlett Packard Enterprise Co. That entity had revenue of about $55 billion and total assets of $65 billion in the fiscal year ended in October, according to the document.

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