You're right .. this is an insane amount of money. Their total cash on hand at the end of 2018 looks like it was 26,800,814,000 [1]. And yet they spent a record $10 billion on a piece of land (3x the appraisal value) ~5 years ago. [2]
https://finance.yahoo.com/quote/HYMTF/balance-sheet/
https://www.reuters.com/article/us-kepco-realestate-hyundai-...