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Investments in Unconsolidated Affiliates
9 Months Ended
Sep. 30, 2021
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,
2021
   
December 31,
2020
 
NGL Pipelines & Services
 
$
656.4
   
$
671.6
 
Crude Oil Pipelines & Services
   
1,742.1
     
1,723.7
 
Natural Gas Pipelines & Services
   
32.1
     
31.4
 
Petrochemical & Refined Products Services
   
2.8
     
2.5
 
Total
 
$
2,433.4
   
$
2,429.2
 

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

   
For the Three Months
Ended September 30,
   
For the Nine Months
Ended September 30,
 
 
 
2021
   
2020
   
2021
   
2020
 
NGL Pipelines & Services
 
$
30.5
   
$
29.3
   
$
87.5
   
$
90.8
 
Crude Oil Pipelines & Services
   
105.2
     
51.8
     
354.2
     
243.2
 
Natural Gas Pipelines & Services
   
1.4
     
1.4
     
4.3
     
4.3
 
Petrochemical & Refined Products Services
   
0.5
     
(0.5
)
   
1.2
     
(2.2
)
Total
 
$
137.6
   
$
82.0
   
$
447.2
   
$
336.1