number of reportable segments to increase or decrease after the adoption of AASB 8

Depending on the current accounting standard, AASB 8, adopts a management approach to segment reporting.plz help me to answer this question:“Do you expect the number of reportable segments to increase or decrease after the adoption of AASB 8? Why? Provide evidence to support your argument by using two companies listed on the ASX”
Those two companies are Macquarie group and suncorp.