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v3.21.2

Financing: Revolving Credit Facility and CP Program (Details) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Jul. 19, 2021 USD ($) credit_extension | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($)
Line of Credit Facility, Maximum Borrowing Capacity | $ 750,000 |  |
Net borrowings (payments) of Revolving Credit Facility and CP Program |  | $ 98,485 | $ (265,180)
Commercial Paper |  |  |
Short-term interest rate |  | 0.19% |
Revolving Credit Facility |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 1,000,000 |  |
Number Of One Year Extension Options | credit_extension | 2 |  |
Debt Instrument, Term | 1 year |  |
Line of Credit Facility, Commitment Fee Percentage | 0.175% |  |
Revolving Credit Facility | Base Rate |  |  |
Line of Credit Facility, Interest Rate at Period End | 0.125% |  |
Revolving Credit Facility | Eurodollar |  |  |
Line of Credit Facility, Interest Rate at Period End | 1.125% |  |
Revolving Credit Facility | Letter of Credit |  |  |
Line of Credit Facility, Interest Rate at Period End | 1.125% |  |

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