Stock-Based Compensation	9 Months Ended
Sep. 30, 2020
Stock-Based Compensation [Abstract]
Stock-Based Compensation	Note 10. Stock-Based Compensation We recognized stock-based compensation expense of $4 million ($4 million, net of tax) and $2 million ($2 million, net of tax) for the three months ended September 30, 2020 and 2019, respectively, and $13 million ($11 million, net of tax) and $7 million ($5 million, net of tax) for the nine months ended September 30, 2020 and 2019, respectively. These charges are included in Selling and administrative expenses in the accompanying condensed consolidated statements of operations and comprehensive income. As of September 30, 2020, there was $36 million of total unrecognized compensation costs, net of estimated forfeitures, related to unvested stock options, restricted stock units (“RSUs”), performance shares and restricted stock awards. These remaining costs are expected to be recognized over a weighted-average period of 2.53 years.

Stock-Based Compensation

9 Months Ended

Sep. 30, 2020

Note 10. Stock-Based Compensation

We recognized stock-based compensation expense of $4 million ($4 million, net of tax) and $2 million ($2 million, net of tax) for the three months ended September 30, 2020 and 2019, respectively, and $13 million ($11 million, net of tax) and $7 million ($5 million, net of tax) for the nine months ended September 30, 2020 and 2019, respectively. These charges are included in Selling and administrative expenses in the accompanying condensed consolidated statements of operations and comprehensive income.

As of September 30, 2020, there was $36 million of total unrecognized compensation costs, net of estimated forfeitures, related to unvested stock options, restricted stock units (“RSUs”), performance shares and restricted stock awards. These remaining costs are expected to be recognized over a weighted-average period of 2.53 years.