Google Inc. | 2013 | FY | 3

Schedule II: Valuation and Qualifying Accounts
 
 
Balance at
Beginning of
Year
 
Additions
 
Usage
 
Balance at
End of Year
 
(In millions)
Year ended December 31, 2011
$
101

 
$
214

 
$
(182
)
 
$
133

Year ended December 31, 2012
$
133

 
$
1,263

 
$
(815
)
 
$
581

Year ended December 31, 2013
$
581

 
$
1,128

 
$
(1,078
)
 
$
631

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