Other Non-Current Assets (Detail) - USD ($) $ in Millions |
Sep. 30, 2015 |
Sep. 30, 2014 |
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| Prepaid Expenses and Other Assets [Abstract] | ||||
| Non-current income tax receivable—(See Note 19—Income Taxes) | $ 627 | $ 597 | ||
| Pension asset--(See Note 10--Pension, Postretirement and Other Benefits) | 36 | 164 | ||
| Other investments - (See Note 4-Fair Value Measurements and Investments) | 45 | 35 | ||
| Long-term prepaid expenses and other | 57 | 51 | ||
| Non-current deferred tax assets (See Note 19—Income Taxes) | [1] | 11 | 8 | |
| Total | $ 776 | $ 855 | ||
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- Definition Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of the other investment not readily marketable determined by management based upon fair value methods, including pricing of similar securities and valuation techniques, that was used to record the investment for financial reporting purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying amount as of the balance sheet date of amounts paid in advance which will be charged against earnings in periods after one year or beyond the operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Disclosure - Prepaid Expenses and Other Assets[Abstract] No definition available.
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