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Stock-based Compensation
9 Months Ended
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]  
Stock-based Compensation
10) STOCK-BASED COMPENSATION
The following table summarizes our stock-based compensation expense for the three and nine months ended September 30, 2020 and 2019.
Three Months EndedNine Months Ended
September 30,September 30,
2020201920202019
RSUs and PSUs$37 $41 $125 $126 
Stock options15 22 
Compensation cost included in operating and SG&A expense41 47 140 148 
Compensation cost included in restructuring and other
corporate matters (a)
18 51 23 
Stock-based compensation expense, before income taxes46 65 191 171 
Related tax benefit(10)(12)(37)(36)
Stock-based compensation expense, net of tax benefit$36 $53 $154 $135 
(a) Reflects accelerations as a result of restructuring activities in the 2020 and 2019 periods, as well as accelerations triggered by the Merger in the 2019 periods.