Down under in Australia, new BHP Billiton (NYSE:BHP) CEO Andrew Mackenzie has just laid out a plan to cut capital spending "quite significantly" over the next few years. BHP's capital investment will drop from $22 billion to $18 billion in 2014 -- and then keep falling.

According to Mackenzie, this reduced spending on capex is going to release a gusher of free cash flow at the company. But what does it mean for other companies that sell to BHP? Listen in, as Fool.com contributor Rich Smith explains...