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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Accrued Warranty Obligations
The following table is a summary of the Company’s accrued warranty obligations (in millions):
 
Year Ended December 31,
Warranty Reserve
2019
 
2018
 
2017
Balance at the beginning of the year
$
22

 
$
18

 
$
21

Acquisitions
—

 
1

 
—

Warranty expense
25

 
34

 
28

Warranties fulfilled
(26
)
 
(31
)
 
(31
)
Balance at the end of the year
$
21

 
$
22

 
$
18