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Related Party Transactions (Tables) | 6 Months Ended
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Mar. 31, 2018
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions [Table Text Block] | The following table sets forth the amount of accounts receivable due from and payable to related parties in the consolidated statements of financial position (in millions):
|  | March 31, 2018 |  | September 30, 2017 |
Receivable from related parties |  | $ | 107 |  |  | $ | 108 |
Payable to related parties |  | 60 |  |  | 50 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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