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Related Parties Related Parties (Tables)
12 Months Ended
Sep. 30, 2019
Related Party Transactions [Abstract]  
Related Party Transactions
Transactions with agencies of the federal government were as follows:
Related Party Transactions
For the years ended, or at, September 30
 
2019
 
2018
 
2017
Revenue from sales of electricity
$
118

 
$
122

 
$
126

Other income
258

 
240

 
136

Expenditures


 


 


Operating expenses
222

 
220

 
216

Additions to property, plant, and equipment
10

 
8

 
16

Cash and cash equivalents
45

 
46

 
46

Accounts receivable, net
76

 
60

 
84

Long-term accounts receivable
53


46


35

Accounts payable and accrued liabilities
69

 
69

 
71

Long-term power bonds, net

 

 
1

Return on Power Program Appropriation Investment
6

 
5

 
5