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Variable Interest Entities Variable Interest Entities (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2020 | Mar. 31, 2019 | Sep. 30, 2019 | Sep. 30, 2013 | Sep. 30, 2012
Variable Interest Entities |  |  |  |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities | $ 1,146 | $ 1,146 |  | $ 1,167 |  | $ 1,000
Liabilities | 39,169 | 39,169 |  | 38,842 |  |
Accrued interest | 10 | 10 |  | 11 |  |
VIE Financing |  |  |  |  |  |
Face amount | $ 40 | $ 40 |  |  | $ 360 |
Financial instruments subject to mandatory redemption, interest rate, stated percentage | 7.00% | 7.00% |  |  |  |
Liabilities |  |  |  |  |  |
Current maturities of long-term debt of variable interest entities | $ 40 | $ 40 |  | 39 |  |
Long-term debt of variable interest entities, net | 1,069 | 1,069 |  | 1,089 |  |
Interest Expense | 14 | 27 | $ 28 |  |  |
Accounts payable and accrued liabilities |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities |  |  |  | 3 |  |
Total current liabilities |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities | 53 | 53 |  | 53 |  |
Other long-term liabilities |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities | 24 | 24 |  | $ 25 |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |
Liabilities | $ 3 | $ 3 |  |  |  |
SCCG |  |  |  |  |  |
VIE Financing |  |  |  |  |  |
Debt and Lease Obligation |  |  |  |  | $ 400 |
JSCCG |  |  |  |  |  |
VIE Financing |  |  |  |  |  |
Face amount |  |  |  |  |  | 900
Holdco |  |  |  |  |  |
VIE Financing |  |  |  |  |  |
Face amount |  |  |  |  |  | $ 100

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