Marathon Petroleum Corp | 2013 | FY | 3

Goodwill
Goodwill is tested for impairment on an annual basis and when events or changes in circumstances indicate the fair value of a reporting unit with goodwill has been reduced below the carrying value. We performed our annual impairment tests for 2013 and 2012, and no impairment was required.
The changes in the carrying amount of goodwill for 2013 and 2012 were as follows:
(In millions)
Refining & Marketing
 
Speedway
 
Pipeline
Transportation
 
Total
2012
 
 
 
 
 
 
 
Beginning balance
$
551

 
$
129

 
$
162

 
$
842

Acquisitions(a)
—

 
88

 
—

 
88

Ending balance
$
551

 
$
217

 
$
162

 
$
930

2013
 
 
 
 
 
 
 
Beginning balance
$
551

 
$
217

 
$
162

 
$
930

Acquisitions(a)
—

 
8

 
—

 
8

Ending balance
$
551

 
$
225

 
$
162


$
938

(a) 
See Note 5 for information on the acquisitions.

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