XML 77 R63.htm IDEA: XBRL DOCUMENT v3.22.1
Summary of Performance Stock Units Activity (Detail)
shares in Millions
12 Months Ended
Dec. 31, 2021
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested at beginning of year 1.7
Granted 1.6
Vested (0.6)
Forfeited (0.4)
Unvested the end of the year 2.3
Performance Stock Units PSU  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested at beginning of year 0.0
Granted 0.1
Vested [1]
Forfeited [1]
Unvested the end of the year 0.1
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested at beginning of year 1.7
Granted 1.5
Vested (0.6)
Forfeited (0.4)
Unvested the end of the year 2.2
[1] *) Represents an amount lower than 0.1