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Warranty Liability
 6 Months Ended
Jun. 30, 2018
Product Warranties Disclosures [Abstract]  
Warranty Liability
WARRANTY LIABILITY
 
Changes in our warranty liability were as follows, in millions: 
 
Six Months Ended
June 30, 2018
 
Twelve Months Ended December 31, 2017
Balance at January 1
$
205

 
$
192

Accruals for warranties issued during the period
40

 
63

Accruals related to pre-existing warranties
1

 
9

Settlements made (in cash or kind) during the period
(32
)
 
(59
)
Other, net (including currency translation)
(2
)
 
—

Balance at end of period
$
212

 
$
205