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Warranty Obligations
 12 Months Ended
Dec. 31, 2016
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 —
 
2016
 
2015
 
2014
Balance, beginning of period
$
56

 
$
47

 
$
54

Amounts accrued for current period sales
25

 
26

 
19

Adjustments of prior estimates
26

 
22

 
18

Settlements of warranty claims
(41
)
 
(36
)
 
(41
)
Currency impact


 
(3
)
 
(3
)
Balance, end of period
$
66

 
$
56

 
$
47