XML 57 R41.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 8. Debt and Financing Arrangements Principal Payments (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2017
Debt Instrument [Line Items] |
Schedule of Maturities of Long-term Debt [Table Text Block] | Principal payments required on long-term debt during the next five years are as follows:
|  | Year Ended September 30,
(in millions) |  | 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022
Principal payments |  | $ | 2 |  |  | $ | 2 |  |  | $ | 56 |  |  | $ | 1,144 |  |  | $ | 195 |

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
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration