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Variable Interest Entities Variable Interest Entities (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2013	Sep. 30, 2012
Variable Interest Entities
Other long-term liabilities		$ 2,036		$ 2,548
Accrued interest		23		10
VIE Financing
Face amount		$ 40			$ 360
Financial instruments subject to mandatory redemption, interest rate, stated percentage		7.00%
Liabilities
Current maturities of long-term debt of variable interest entities		$ 42		41
Long-term debt of variable interest entities, net		1,028		1,048
Liabilities, Current		4,411		4,711
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entities
Other long-term liabilities		21		23
Liabilities		1,117		1,125		$ 1,000
Liabilities
Liabilities, Current		68		54
Interest Expense	$ 13	39	$ 41
Accounts Payable and Accrued Liabilities		$ 3		$ 3
JSCCG
VIE Financing
Face amount						900
Holdco
VIE Financing
Face amount						$ 100
SCCG
VIE Financing
Debt and Lease Obligation					$ 400

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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