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Schedule II: Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2014
Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Schedule II: Valuation and Qualifying Accounts
(in millions)
 
 
 
Balance at Beginning of Period
 
Additions/Charged to Expense
 
Deductions
 
Balance at End of Period
Year ended December 31, 2014:
 
 
 
 
 
 
 
 
Accounts receivable allowances (1)
 
$
252

 
$
2,867

 
$
2,763

 
$
356

Sales return allowance
 
$
82

 
$
104

 
$
15

 
$
171

Valuation allowances for deferred tax assets (2)
 
$
9

 
$

 
$

 
$
9

Year ended December 31, 2013:
 
 
 
 
 
 
 
 
Accounts receivable allowances (1)
 
$
188

 
$
1,870

 
$
1,806

 
$
252

Sales return allowance
 
$
73

 
$
21

 
$
12

 
$
82

Valuation allowances for deferred tax assets (2)
 
$
9

 
$

 
$

 
$
9

Year ended December 31, 2012:
 
 
 
 
 
 
 
 
Accounts receivable allowances (1)
 
$
154

 
$
1,379

 
$
1,345

 
$
188

Sales return allowance
 
$
52

 
$
31

 
$
10

 
$
73

Valuation allowances for deferred tax assets (2)
 
$
9

 
$

 
$

 
$
9

 
(1) 
Allowances are for doubtful accounts, cash discounts and chargebacks.
(2) 
Valuation allowance for deferred tax assets includes $6 million and $7 million as of December 31, 2014 and 2013, respectively, related to our acquisitions.