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Employee Benefit Expenses | 12 Months Ended
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Dec. 31, 2017
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Employee Benefit Expenses | NOTE 6—EMPLOYEE BENEFIT EXPENSES
(in millions of Euros) |  | Notes |  |  | Year ended December 31, 2017 |  |  | Year ended December 31, 2016 |  |  | Year ended December 31, 2015 |
Wages and salaries |  |  |  |  |  |  | (872 | ) |  |  | (841 | ) |  |  | (836 | )
Pension costs—defined benefit plans |  |  | 23 |  |  |  | (28 | ) |  |  | (33 | ) |  |  | (31 | )
Other post—employment benefits |  |  | 23 |  |  |  | (16 | ) |  |  | (17 | ) |  |  | (15 | )
Share-based compensation |  |  | 28 |  |  |  | (8 | ) |  |  | (6 | ) |  |  | (5 | )
Total Employee benefit expenses |  |  |  |  |  |  | (924 | ) |  |  | (897 | ) |  |  | (887 | )

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- Definition The entire disclosure for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Section Scope -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=sect_Scope&doctype=Standard -URIDate 2017-03-09 + Details
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