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Investments in Unconsolidated Affiliates
9 Months Ended
Sep. 30, 2022
Investments in Unconsolidated Affiliates [Abstract]  
Investments in Unconsolidated Affiliates
Note 5.  Investments in Unconsolidated Affiliates

The following table presents our investments in unconsolidated affiliates by business segment at the dates indicated.  We account for these investments using the equity method.

   
September 30,
2022
   
December 31,
2021
 
NGL Pipelines & Services
 
$
645
   
$
656
 
Crude Oil Pipelines & Services
   
1,676
     
1,738
 
Natural Gas Pipelines & Services
   
32
     
31
 
Petrochemical & Refined Products Services
   
3
     
3
 
Total
 
$
2,356
   
$
2,428
 

The following table presents our equity in income of unconsolidated affiliates by business segment for the periods indicated:

   
For the Three Months
Ended September 30,
   
For the Nine Months
Ended September 30,
 
 
 
2022
   
2021
   
2022
   
2021
 
NGL Pipelines & Services
 
$
39
   
$
31
   
$
109
   
$
88
 
Crude Oil Pipelines & Services
   
70
     
105
     
221
     
354
 
Natural Gas Pipelines & Services
   
2
     
1
     
4
     
4
 
Petrochemical & Refined Products Services
   
     
     
1
     
1
 
Total
 
$
111
   
$
137
   
$
335
   
$
447