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Revenue Recognition (Tables)
9 Months Ended
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
The following table provides information about disaggregated revenue by service type and customer type:

Three Months Ended
September 30,
Nine Months Ended
September 30,
2019201820192018
Transportation services revenue – third parties$31  $57  $103  $144  
Transportation services revenue – related parties (1)
55  52  156  125  
Storage services revenue – third parties    
Storage services revenue – related parties    
Terminaling services revenue – related parties (2)
12  12  35  34  
Product revenue – third parties (3)
—     
Product revenue – related parties (3)
10  14  26  24  
Total Topic 606 revenue111  139  335  340  
Lease revenue – related parties14  14  42  42  
   Total revenue$125  $153  $377  $382  
(1) Transportation services revenue - related parties includes $2 million and $4 million, respectively, of the non-lease service component in our transportation services contracts for both the three and nine months ended September 30, 2019 and September 30, 2018.
(2) Terminaling services revenue - related parties is entirely comprised of the non-lease service component in our terminaling services contracts.
(3) Product revenue is comprised of allowance oil sales.
Operating Lease, Lease Income As of September 30, 2019, future minimum payments of both the lease and service components to be received under the initial ten-year contract term of these operating leases were estimated to be:
TotalLess than 1 yearYears 2 to 3Years 4 to 5More than 5 years
Operating leases$853  $108  $216  $216  $313  
Contract Balances
The following table provides information about receivables and contract liabilities from contracts with customers:
January 1, 2019September 30, 2019
Receivables from contracts with customers – third parties$19  $13  
Receivables from contracts with customers – related parties21  25  
Deferred revenue – third parties (1)
 —  
Deferred revenue – related party —  
(1) Amount as of September 30, 2019 was less than $1 million.

Significant changes in the deferred revenue balances with customers during the period are as follows:
December 31, 2018
Additions (1)
Reductions (2)
September 30, 2019
Deferred revenue – third parties (3)
$ $—  $(8) $—  
Deferred revenue – related party —  (3) —  
(1) Contract liability additions resulted from deficiency payments from minimum volume commitment contracts.
(2) Contract liability reductions resulted from revenue earned through the actual or estimated use and expiration of deficiency credits.
(3) Amount as of September 30, 2019 was less than $1 million.
Remaining Performance Obligations
The following table includes revenue expected to be recognized in the future related to performance obligations exceeding one year of their initial terms that are unsatisfied or partially unsatisfied as of September 30, 2019:
TotalRemainder of 20192020202120222023 and beyond
Revenue expected to be recognized on multi-year committed shipper transportation contracts in place as of September 30, 2019 (1)
$605  $28  $106  $63  $63  $345  
Revenue expected to be recognized on other multi-year committed shipper transportation contracts in place as of September 30, 2019 (2)
40      23  
Revenue expected to be recognized on multi-year storage service contracts in place as of September 30, 2019  —  —  —  —  
Revenue expected to be recognized on multi-year terminaling service contracts in place as of September 30, 2019 (2)
383  12  47  47  47  230  
$1,029  $43  $158  $115  $115  $598  
(1) Excludes revenue deferred for deficiency payments of less than $1 million as of September 30, 2019.
(2) Relates to the non-lease service components of certain of our long-term transportation and terminaling service contracts which are accounted for as operating leases.