The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.
| Period | Length | Value | Last reported | Filings |
|---|---|---|---|---|
| Jan 1, 2016 – Sep 30, 2016 | 9 months | $218,000,000 | Oct 31, 2017 | 2 |
| Jan 1, 2016 – Jun 30, 2016 | 6 months | $252,000,000 | Jul 25, 2017 | 1 |
| Jan 1, 2016 – Mar 31, 2016 | Quarter | $252,000,000 | Apr 25, 2017 | 1 |