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Goodwill Goodwill (Tables)
12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill [Table Text Block]
Changes in the amounts of our goodwill for each of the years ended December 31, 2016 and 2015 are summarized by reporting unit as follows (in millions):  
 
Natural Gas Pipelines Regulated
 
Natural Gas Pipelines Non-Regulated
 
CO2
 
Products Pipelines
 
Products Pipelines Terminals
 
Terminals
 
Kinder
Morgan
Canada
 
Total
Historical Goodwill
$
17,527

 
$
5,719

 
$
1,528

 
$
1,908

 
$
221

 
$
1,573

 
$
591

 
$
29,067

Accumulated impairment losses
(1,643
)
 
(447
)
 

 
(1,197
)
 
(70
)
 
(679
)
 
(377
)
 
(4,413
)
December 31, 2014
15,884

 
5,272

 
1,528

 
711

 
151

 
894

 
214

 
24,654

Acquisitions(a)

 
93

 

 
217

 

 
11

 

 
321

Currency translation

 

 

 

 

 

 
(35
)
 
(35
)
Impairment

 
(1,150
)
 

 

 

 

 

 
(1,150
)
December 31, 2015
15,884

 
4,215

 
1,528

 
928

 
151

 
905

 
179

 
23,790

Currency translation

 

 

 

 

 

 
6

 
6

Divestitures(b)
(1,635
)
 

 

 

 

 
(9
)
 

 
(1,644
)
December 31, 2016
$
14,249

 
$
4,215

 
$
1,528

 
$
928

 
$
151

 
$
896

 
$
185

 
$
22,152

_______
(a)
2015 includes $93 million and $217 million, respectively, related to the February 2015 acquisition of Hiland by Natural Gas Pipelines Non-Regulated and Products Pipelines, and $7 million related to the February 2015 acquisition of Vopak terminal assets by Terminals, all of which are discussed in Note 3.