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Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2018
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
Description
Balance at
Beginning
of Period
 
Additions
 
Deductions
 
 
Charged to
Costs and
Expenses
 
Charged to
Other
Accounts(a)
 
Write-Offs and
Reclassifications
 
Balance
at End of
Period
December 31, 2018
 
 
 
 
 
 
 
 
 
Allowances deducted from assets to which they apply
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
38

 
$
15

 
$
(3
)
 
$
14

(b) 
$
36

Allowances for sales discounts
18

 
248

 
(4
)
 
245

(c) 
17

December 31, 2017
 
 
 
 
 
 
 
 
 
Allowances deducted from assets to which they apply
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
50

 
$
8

 
$
2

 
$
22

(b) 
$
38

Allowances for sales discounts
18

 
247

 
—

 
247

(c) 
18

December 31, 2016
 
 
 
 
 
 
 
 
 
Allowances deducted from assets to which they apply
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
50

 
$
8

 
$
3

 
$
11

(b) 
$
50

Allowances for sales discounts
15

 
254

 
—

 
251

(c) 
18

(a)
Includes bad debt recoveries and the effects of changes in foreign currency exchange rates.
(b)
Primarily uncollectible receivables written off.
(c)
Sales discounts allowed.
 
 
 
Additions
 
 
 
 
Description
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged to
Other
Accounts
 
Deductions(a)
 
Balance
at End
of  Period
December 31, 2018
 
 
 
 
 
 
 
 
 
Deferred taxes
 
 
 
 
 
 
 
 
 
Valuation allowance
$
176

 
$
55

 
$
—

 
$
11

 
$
220

December 31, 2017
 
 
 
 
 
 
 
 
 
Deferred taxes
 
 
 
 
 
 
 
 
 
Valuation allowance
$
225

 
$
(59
)
 
$
—

 
$
(10
)
 
$
176

December 31, 2016
 
 
 
 
 
 
 
 
 
Deferred taxes
 
 
 
 
 
 
 
 
 
Valuation allowance
$
274

 
$
(45
)
 
$
—

 
$
4

 
$
225

(a)
Represents the net currency effects of translating valuation allowances at current rates of exchange.