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Warranty Obligations | 12 Months Ended
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Dec. 31, 2017
Product Warranties Disclosures [Abstract] |
Warranty Obligations [Text Block] | Warranty Obligations We record a liability for estimated warranty obligations at the dates our products are sold. We record the liability based on our estimate of costs to settle future claims. Adjustments to our estimated costs at time of sale are made as claim experience and other new information becomes available. Obligations for service campaigns and other occurrences are recognized as adjustments to prior estimates when the obligation is probable and can be reasonably estimated. Changes in warranty liabilities —
| 2017 |  | 2016 |  | 2015
Balance, beginning of period | $ | 66 |  |  | $ | 56 |  |  | $ | 47 |
Acquisitions | 6 |  |  |  |  |  |  |
Amounts accrued for current period sales | 32 |  |  | 25 |  |  | 26 |
Adjustments of prior estimates | 11 |  |  | 26 |  |  | 22 |
Settlements of warranty claims | (42 | ) |  | (41 | ) |  | (36 | )
Currency impact | 3 |  |  |  |  |  | (3 | )
Balance, end of period | $ | 76 |  |  | $ | 66 |  |  | $ | 56 |
The Acquisitions line includes approximately $4 related to the acquisition of BFP and BPT that is subject to recovery from the seller.

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- References No definition available. + Details
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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 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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