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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
SCHEDULE II
AMGEN INC.
VALUATION AND QUALIFYING ACCOUNTS
Years ended December 31, 2014, 2013 and 2012
(In millions)
Allowance for doubtful accounts
Balance at
beginning
of period
 
Additions
charged to
costs and
expenses
 
Other
additions
 
Deductions
 
Balance
at end
of
period
Year ended December 31, 2014
$
59

 
$
3

 
$
—

 
$
12

 
$
50

Year ended December 31, 2013
$
61

 
$
5

 
$
—

 
$
7

 
$
59

Year ended December 31, 2012
$
54

 
$
7

 
$
—

 
$
—

 
$
61