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Warranty Obligations (Tables)
 12 Months Ended
Dec. 31, 2016
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability
The table below summarizes the activity in the product warranty liability for the years ended December 31, 2016 and 2015:
 
Year Ended December 31,
 
2016
 
2015
 
(in millions)
Accrual balance at beginning of year
$
131

 
$
146

Provision for estimated warranties incurred during the year
91

 
72

Changes in estimate for pre-existing warranties
30

 
(11
)
Settlements made during the year (in cash or in kind)
(85
)
 
(70
)
Foreign currency translation and other
(6
)
 
(6
)
Accrual balance at end of year
$
161

 
$
131