Not so giant. You can check https://en.wikipedia.org/wiki/Apple%27s_EU_tax_dispute which is updated with the latest ruling. The dispute was about taxes from 2004 to 2014. I wonder how much they'll owe to Ireland for the next ten years.
> Apple only paid an effective corporate tax rate that declined from 1% in 2003 to 0.005% in 2014.
> Apple only paid an effective corporate tax rate that declined from 1% in 2003 to 0.005% in 2014.