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Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Product Warranty Reserves
The following table summarizes the changes in total product warranty and recall reserves for the periods presented:
Millions of dollars

2014

2013
Balance at January 1

$
191


$
187

Issuances/accruals during the period

63


84

Settlements made during the period

(74
)

(89
)
Balance at March 31

$
180


$
182

Current portion

$
143


$
143

Non-current portion

37


39

Total

$
180


$
182