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Note 15, Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Sep. 30, 2016
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties		$ 159		$ 172
Revenue from Related Parties		300	$ 337
Related Party Transaction, Purchases from Related Party		377	341
Accounts Payable, Related Parties		144		$ 96
Related Party Transaction, Amounts of Transaction		87
Corporate, Non-Segment [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 76		215
Separation costs incurred by parent- benefited directly [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	122	$ 254
Separation costs incurred by parent [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 138		332
Amount of revision [Member]
Related Party Transaction [Line Items]
Revenue from Related Parties			41
Related Party Transaction, Purchases from Related Party			$ 53

X

- Definition

Amount for accounts payable to related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Amount of transactions with related party during the financial reporting period.

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+ References

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+ References

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- Definition

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+ References

No definition available.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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