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Warranty Liability (Tables)
3 Months Ended
Mar. 31, 2018
Product Warranties Disclosures [Abstract]  
Schedule of changes in the Company's warranty liability
Changes in our warranty liability were as follows, in millions: 
 
Three Months Ended
March 31, 2018
 
Twelve Months Ended December 31, 2017
Balance at January 1
$
205

 
$
192

Accruals for warranties issued during the period
17

 
63

Accruals related to pre-existing warranties
1

 
9

Settlements made (in cash or kind) during the period
(17
)
 
(59
)
Other, net (including currency translation)

 

Balance at end of period
$
206

 
$
205