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Restructuring (Tables) | 12 Months Ended
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Dec. 31, 2017
Restructuring and Related Activities [Abstract] |
Summary of Severance Charges and Associated Spending | The following table summarizes the severance charges and the associated spending under this initiative through the fiscal year ended 2017:
(Dollars in Millions) | Severance | Asset Write-offs | Other** | Total
2015 restructuring charge | $ | 484 |  | 86 |  | 20 |  | 590 |
2015 activity |  | (86 | ) | (3 | ) | (89 | )
Reserve balance, January 3, 2016 | 484 |  | — |  | 17 |  | 501 |
2016 activity | (104 | ) | — |  | (16 | ) | (120 | )
Reserve balance, January 1, 2017 | 380 |  | — |  | 1 |  | 381 |
Current year activity: |  |  |  |
Charges |  | 194 |  | 656 |  | 850 |
Cash payments | (61 | ) |  | (619 | ) | (680 | )
Settled non cash |  | (194 | ) |  | (194 | )
Accrual adjustment | (90 | ) |  |  | (90 | )
Reserve balance, December 31, 2017* | $ | 229 |  | — |  | 38 |  | 267 |
*Cash outlays for severance are expected to be substantially paid out over the next 18 months in accordance with the Company's plans and local laws. **Other includes project expense such as salaries for employees supporting the initiative and consulting expenses.

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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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