Aon is nearing an agreement to buy insurance brokerage USI Insurance from private equity firm KKR & Co., according to a Wall Street Journal report. The deal is described as being around $17 billion, including debt, though the report does not specify a final price or timing.

The reports cite people familiar with the matter, indicating discussions are at an advanced stage but not yet finalized. Bloomberg similarly characterizes the expected transaction as approaching roughly $17 billion, and notes that details may still change as talks progress. CNBC likewise frames the transaction as a near-term agreement size of about $17 billion that would include assumed debt. Neither outlet reports a signed contract, regulatory filing, or deal terms beyond the price range and the buyer-seller parties.