It is the largest environmental settlement ever.

BP will pay the US Government,Alabama, Florida, Louisiana,Mississippi, and Texas $18.7 billion to compensate for environmental damage done by the Deepwater Horizon spill.

For more info, see: http://www.nytimes.com/2015/07/03/us/bp-to-pay-gulf-coast-states-18-7-billion-for-deepwater-horizon-oil-spill.html?emc=edit_th_20150703&nl=todaysheadlines&nlid=60802201&_r=0