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Revenues (Tables)
9 Months Ended
Sep. 30, 2023
Revenues [Abstract]  
Revenues by Business Segment and Revenue Type
We classify our revenues into sales of products and midstream services.  Product sales relate primarily to our various marketing activities whereas midstream services represent our other integrated businesses (i.e., gathering, processing, transportation, fractionation, storage and terminaling).  The following table presents our revenues by business segment, and further by revenue type, for the periods indicated:

 
 
For the Three Months
Ended September 30,
   
For the Nine Months
Ended September 30,
 
 
 
2023
   
2022
   
2023
   
2022
 
NGL Pipelines & Services:
                       
Sales of NGLs and related products
 
$
3,021
   
$
5,519
   
$
10,325
   
$
16,139
 
Segment midstream services:
                               
Natural gas processing and fractionation
   
344
     
340
     
944
     
1,143
 
Transportation
   
286
     
250
     
798
     
708
 
Storage and terminals
   
106
     
128
     
308
     
381
 
Total segment midstream services
   
736
     
718
     
2,050
     
2,232
 
Total NGL Pipelines & Services
   
3,757
     
6,237
     
12,375
     
18,371
 
Crude Oil Pipelines & Services:
                               
Sales of crude oil
   
5,068
     
4,455
     
12,999
     
13,202
 
Segment midstream services:
                               
Transportation
   
194
     
162
     
549
     
650
 
Storage and terminals
   
103
     
107
     
302
     
329
 
Total segment midstream services
   
297
     
269
     
851
     
979
 
Total Crude Oil Pipelines & Services
   
5,365
     
4,724
     
13,850
     
14,181
 
Natural Gas Pipelines & Services:
                               
Sales of natural gas
   
537
     
1,556
     
1,828
     
3,795
 
Segment midstream services:
                               
Transportation
   
347
     
330
     
1,046
     
901
 
Total segment midstream services
   
347
     
330
     
1,046
     
901
 
Total Natural Gas Pipelines & Services
   
884
     
1,886
     
2,874
     
4,696
 
Petrochemical & Refined Products Services:
                               
Sales of petrochemicals and refined products
   
1,647
     
2,346
     
5,052
     
6,470
 
Segment midstream services:
                               
Fractionation and isomerization
   
94
     
56
     
208
     
172
 
Transportation, including marine logistics
   
171
     
149
     
486
     
426
 
Storage and terminals
   
80
     
70
     
248
     
220
 
Total segment midstream services
   
345
     
275
     
942
     
818
 
Total Petrochemical & Refined Products Services
   
1,992
     
2,621
     
5,994
     
7,288
 
Total consolidated revenues
 
$
11,998
   
$
15,468
   
$
35,093
   
$
44,536
 
Unbilled Revenue and Deferred Revenue
The following table provides information regarding our contract assets and contract liabilities at September 30, 2023:

Contract Asset
Location
 
Balance
 
Unbilled revenue (current amount)
Prepaid and other current assets
 
$
12
 
Total
   
$
12
 

Contract Liability
Location
 
Balance
 
Deferred revenue (current amount)
Other current liabilities
 
$
159
 
Deferred revenue (noncurrent)
Other long-term liabilities
   
315
 
Total
   
$
474
 

The following table presents significant changes in our unbilled revenue and deferred revenue balances for the nine months ended September 30, 2023:

   
Unbilled
Revenue
   
Deferred
Revenue
 
Balance at December 31, 2022
 
$
6
   
$
501
 
Amount included in opening balance transferred to other accounts during period (1)
   
(6
)
   
(234
)
Amount recorded during period (2)
   
59
     
676
 
Amounts recorded during period transferred to other accounts (1)
   
(47
)
   
(457
)
Other changes
   
     
(12
)
Balance at September 30, 2023
 
$
12
   
$
474
 

(1)
Unbilled revenues are transferred to accounts receivable once we have an unconditional right to consideration from the customer.  Deferred revenues are recognized as revenue upon satisfaction of our performance obligation to the customer.
(2)
Unbilled revenue represents revenue that has been recognized upon satisfaction of a performance obligation, but cannot be contractually invoiced (or billed) to the customer at the balance sheet date until a future period.  Deferred revenue is recorded when payment is received from a customer prior to our satisfaction of the associated performance obligation.
Remaining Performance Obligations
The following table presents estimated fixed future consideration from revenue contracts that contain minimum volume commitments, deficiency and similar fees and the term of the contracts exceeds one year.  These amounts represent the revenues we expect to recognize in future periods from these contracts as of September 30, 2023.

Period
 
Fixed
Consideration
 
Three Months Ended December 31, 2023
 
$
1,036
 
One Year Ended December 31, 2024
   
3,815
 
One Year Ended December 31, 2025
   
3,388
 
One Year Ended December 31, 2026
   
3,130
 
One Year Ended December 31, 2027
   
2,884
 
Thereafter  
   
11,465
 
Total
 
$
25,718