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Casualty, Environmental and Other Reserves (Tables) | 12 Months Ended
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Dec. 25, 2015
Casualty, Environmental and Other Reserves [Abstract] |
Casualty, environmental and other reserves | Activity related to casualty, environmental and other reserves is as follows:
| Casualty |  | Environmental |  | Other |  |
(Dollars in Millions) | Reserves |  | Reserves |  | Reserves |  | Total
December 28, 2012 | $ | 325 |  |  | $ | 88 |  |  | $ | 64 |  |  | $ | 477 |
Charged to Expense | 54 |  |  | 48 |  |  | 38 |  |  | 140 |
Payments | (99 | ) |  | (36 | ) |  | (31 | ) |  | (166 | )
December 27, 2013 | 280 |  |  | 100 |  |  | 71 |  |  | 451 |
Charged to Expense (a) | 89 |  |  | 57 |  |  | 30 |  |  | 176 |
Payments | (104 | ) |  | (63 | ) |  | (42 | ) |  | (209 | )
December 26, 2014 | 265 |  |  | 94 |  |  | 59 |  |  | 418 |
Charged to Expense | 60 |  |  | 45 |  |  | 37 |  |  | 142 |
Payments | (56 | ) |  | (57 | ) |  | (47 | ) |  | (160 | )
December 25, 2015 | $ | 269 |  |  | $ | 82 |  |  | $ | 49 |  |  | $ | 400 |
(a) | Increase in expense in 2014 is primarily due to the resolution of personal injury claims for prior years.
These reserves are considered critical accounting estimates due to the need for significant management judgment. They are provided for in the consolidated balance sheets as shown in the table below.
| December 2015 |  | December 2014
(Dollars in Millions) | Current |  | Long-term |  | Total |  | Current |  | Long-term |  | Total
Casualty: |  |  |  |  |  |  |  |  |  |  |
Personal Injury | $ | 57 |  |  | $ | 147 |  |  | $ | 204 |  |  | $ | 68 |  |  | $ | 123 |  |  | $ | 191 |
Asbestos | 9 |  |  | 44 |  |  | 53 |  |  | 5 |  |  | 51 |  |  | 56 |
Occupational | 3 |  |  | 9 |  |  | 12 |  |  | 3 |  |  | 15 |  |  | 18 |
Total Casualty | $ | 69 |  |  | $ | 200 |  |  | $ | 269 |  |  | $ | 76 |  |  | $ | 189 |  |  | $ | 265 |
Environmental | 42 |  |  | 40 |  |  | 82 |  |  | 48 |  |  | 46 |  |  | 94 |
Other | 20 |  |  | 29 |  |  | 49 |  |  | 18 |  |  | 41 |  |  | 59 |
Total | $ | 131 |  |  | $ | 269 |  |  | $ | 400 |  |  | $ | 142 |  |  | $ | 276 |  |  | $ | 418 |
Schedule of Claims Activity | A summary of asbestos claims activity is as follows:
| Fiscal Years
| 2015 |  | 2014
Asserted Asbestos Claims |  |  |
Open Claims - Beginning of Year | 177 |  |  | 251 |
New Claims Filed | 77 |  |  | 106 |
Claims Settled | (64 | ) |  | (95 | )
Claims Dismissed | (30 | ) |  | (85 | )
Open Claims - End of Year | 160 |  |  | 177 |

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