XML 96 R72.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-term Employee Benefits - Schedule of Accumulated and Projected Benefit Obligations (Details) - Pension Plan [Member] - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]    
ABO $ 559.9 $ 605.4
Plans with PBO in excess of plan assets:    
PBO 375.6 401.2
ABO 352.0 370.0
Fair value plan assets 102.2 110.1
Plans with ABO in excess of plan assets:    
PBO 370.2 393.3
ABO 349.1 364.9
Fair value plan assets $ 99.3 $ 104.7