Changes in the carrying amount of goodwill were as follows:
 
Intrastate
Transportation
and Storage
 
Interstate
Transportation and Storage
 
Midstream
 
Liquids Transportation and Services
 
Investment in Sunoco Logistics
 
All Other
 
Total
Balance, December 31, 2014
$
10

 
$
1,011

 
$
767

 
$
432

 
$
1,358

 
$
4,064

 
$
7,642

Reduction due to Sunoco LP deconsolidation

 

 

 

 

 
(2,018
)
 
(2,018
)
Impaired

 
(99
)
 

 
(106
)
 

 

 
(205
)
Other

 

 
(49
)
 

 

 
58

 
9

Balance, December 31, 2015
10

 
912

 
718

 
326

 
1,358

 
2,104

 
5,428

Acquired

 

 
177

 

 
251

 

 
428

Reduction due to contribution of legacy Sunoco, Inc. retail business

 

 

 

 

 
(1,289
)
 
(1,289
)
Impaired

 
(638
)
 
(32
)
 

 

 

 
(670
)
Balance, December 31, 2016
$
10

 
$
274

 
$
863

 
$
326

 
$
1,609

 
$
815

 
$
3,897