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Warranty Obligations (Tables)
12 Months Ended
Dec. 31, 2018
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, 2018 and 2017:
 
Year Ended December 31,
 
2018
 
2017
 
(in millions)
Accrual balance at beginning of year
$
58

 
$
65

Provision for estimated warranties incurred during the year
39

 
47

Changes in estimate for pre-existing warranties
5

 
45

Settlements made during the year (in cash or in kind)
(51
)
 
(103
)
Foreign currency translation and other
(1
)
 
4

Accrual balance at end of year
$
50

 
$
58