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Warranty Liability | 9 Months Ended
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Sep. 30, 2017
Product Warranties Disclosures [Abstract] |
Warranty Liability | WARRANTY LIABILITY Changes in our warranty liability were as follows, in millions:
| Nine Months Ended September 30, 2017 |  | Twelve Months Ended December 31, 2016
Balance at January 1 | $ | 192 |  |  | $ | 152 |
Accruals for warranties issued during the period | 43 |  |  | 66 |
Accruals related to pre-existing warranties | 6 |  |  | 33 |
Settlements made (in cash or kind) during the period | (43 | ) |  | (56 | )
Other, net (including currency translation) | 1 |  |  | (3 | )
Balance at end of period | $ | 199 |  |  | $ | 192 |
In the second and third quarters of 2016, a business unit in the Windows and Other Specialty Products segment recorded $10 million and $21 million, respectively, for increases in its estimate of expected future warranty claims relating to previously sold windows and doors. The change in estimate resulted from the adoption of an improved warranty valuation model and the availability of additional information used to support the estimate of costs to service claims and recent warranty claims trends, including a shift to increased costs to repair.

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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