Vodafone Idea share price declined over 4% as Macquarie downgrades the stock to 'underperform' due to concerns over cash flow generation.Macquarie deems the government's decision to convert its dues for FY26 into equity as a 'bandage work'.Vodafone Idea's debt will reduce to $22.5 billion after equity conversion, but the level of debt remains high with net debt 10 times FY26 Ebitda.Macquarie sees further equity dilution risk for minority stakeholders in the medium term, resulting in a low target price.