XML 84 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Debt and Other Obligations Credit Facility Agreements (Details)
$ in Millions
9 Months Ended
Jun. 30, 2021
USD ($)
Credit_facilities
Sep. 30, 2020
USD ($)
Line of Credit Facility [Line Items]    
Summary of Long-Term Credit Facilities
The following table provides additional information regarding TVA's funding available under the four long-term revolving credit facilities:
Summary of Long-Term Credit Facilities
At June 30, 2021
(in millions)
Maturity DateFacility LimitLetters of Credit OutstandingCash BorrowingsAvailability
June 2023$1,000 $301 $— $699 
September 20231,000 275 — 725 
 February 2024150 38 — 112 
February 2025500 500 — — 
Total$2,650 $1,114 $— $1,536 
 
Line of Credit    
Line of Credit Facility [Line Items]    
Current borrowing capacity for credit facilities $ 150  
Revolving Credit Facilities    
Line of Credit Facility [Line Items]    
Current borrowing capacity for credit facilities $ 2,650  
Number of revolving credit facilities | Credit_facilities 4  
December 2019 Credit Facility $ 150  
February 2022 Credit Facility 1,000  
June 2020 Credit Facility 500  
September 2020 Credit Facility 1,000  
Cash Borrowings-December 2019 Credit Facility 0  
Cash Borrowings-June 2020 Credit Facility 0  
Cash Borrowings-September 2020 Credit Facility 0  
Total Cash Borrowings for Credit Facilities 0  
Remaining Availability, December 2019 Credit Facility 112  
Remaining Availability, February 2022 Credit Facility 699  
Long-term Line of Credit, Borrowings 3 0  
Remaining Availability, June 2020 Credit Facility 725  
Remaining Availability, September 2020 Credit Facility 0  
Total Remaining Availability for Credit Facilities 1,536  
Letter of Credit    
Line of Credit Facility [Line Items]    
Letters of Credit Outstanding, Amount 1 500  
Letter of Credit Outstanding, December 2019 Credit Facility 38  
Letter of Credit Outstanding, February 2022 Credit Facility 275  
Letter of Credit Outstanding, September 2020 Credit Facility 301  
Amount of letters of credit outstanding for credit facilities $ 1,114 $ 1,500