Philip Morris International Inc. is in advanced talks to acquire Swedish Match AB, according to people familiar with the matter, in a deal that could be valued at about $15 billion or more and bolster the tobacco giant's exposure to the rapidly growing market for smoke-free brands. [...] A deal would be substantial, as Swedish Match is currently valued at about 117 billion Swedish krona, or almost $12 billion. With a typical premium, it could be valued at about $15 billion or more. Philip Morris has a market value of about $154 billion.