Pension plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of expected future benefit payments

Expected future payments are as follows:

For the year ending December 31
(in millions of U.S dollars)
2014	$	19
2015	22
2016	23
2017	22
2018	23
2019-2023	129