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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]  
Product Warranty Reserves The following table summarizes the changes in total product warranty liability reserves for the periods presented:


Product Warranty
Millions of dollars

2020

2019
Balance at January 1

$
383


$
268

Issuances/accruals during the period

108


128

Settlements made during the period/other

(203
)

(143
)
Balance at June 30

$
288


$
253

 
 
 
 
 
Current portion

$
187


$
178

Non-current portion

101


75

Total

$
288


$
253