The following table presents details of unearned stock-based compensation currently estimated to be expensed in 2014 through 2018 related to unvested share-based payment awards:
|
| | | | | | | | | | | | | | | | | | | | | | | |
| 2014 | | 2015 | | 2016 | | 2017 | | 2018 | | Total |
| | | | | (In millions) | | | | |
Unearned stock-based compensation | $ | 399 |
| | $ | 249 |
| | $ | 125 |
| | $ | 23 |
| | $ | — |
| | $ | 796 |
|
