Ameren Illinois Company Goodwill

Ameren Illinois Company (AILLN) currently reports a goodwill of $410M as of June 2026. That compares with $410M in the prior-year period — up 0.0% year over year. Use the charts on this page to explore Ameren Illinois Company's goodwill history and peer comparisons.

Ameren Illinois Company's goodwill was unchanged from $410M to $410M — essentially flat versus a year earlier (period ending June 2026). Watching multi-year history on the chart below helps separate one-off swings from a lasting trend.

Ameren Illinois Company reported $410M in goodwill as of June 2026. That compares with $410M in the prior-year period — up 0.0% year over year. Absolute dollar amounts are most useful when compared with prior periods, peers, and related line items such as revenue, assets, or liabilities on Stockcircle.

Start with the current goodwill of $410M, then check the historical chart for trend and the peer comparison chart for relative positioning. From there, open related valuation or income-statement pages for Ameren Illinois Company, and consider following AILLN for alerts when major investors trade the stock.