28. Trade payables

An analysis by due date of trade payables is as follows:

($ million)At December 31, 2014  At December 31, 2013
due within one yeardue between one and five yearsdue beyond five yearsTotaldue within one yeardue between one and five yearsdue beyond five yearsTotal
Trade payables 5,975 6 1 5,982 7,358 10 1 7,369

The carrying amount of Trade payables is in line with their fair value at the balance sheet date.