Definition & Meaning of "[go] Dutch"

What is the origin of the idiom "go Dutch" and when to use it?

The phrase "go Dutch" is believed to have originated in the 17th century and is associated with the Dutch culture of fairness and equality. It became more prevalent during the 19th century as a way to promote a sense of egalitarianism in social settings. It is used when people want to split the cost of an activity or expense equally among all participants.