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Discontinued Operations Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
--- | --- | --- | ---
Assets and Liabilities Held for Sale [Line Items] |  |  |
Assets held for sale | $ 189 | $ 5,812 |
Noncurrent assets held for sale | 1,920 | 7,374 |
Assets held for sale | 2,109 | 13,186 | $ 10,613
Current portion of long-term debt | 0 | 38 |
Long-term debt | 0 | 3,441 |
Noncurrent liabilities held for sale | 173 | 3,888 |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] | Security business in South Africa [Member] |  |  |
Assets and Liabilities Held for Sale [Line Items] |  |  |
Accounts receivable - net |  | 9 |
Inventories |  | 7 |
Other current assets |  | 3 |
Property, plant and equipment - net |  | 15 |
Goodwill |  | 89 |
Other intangible assets - net |  | 30 |
Other noncurrent assets |  | 4 |
Assets held for sale |  | 157 |
Accounts payable |  | 9 |
Other current liabilities |  | 19 |
Liabilities held for sale |  | 28 |
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] | Adient |  |  |
Assets and Liabilities Held for Sale [Line Items] |  |  |
Cash |  | 105 |
Cash in escrow related to Adient debt |  | 2,034 |
Accounts receivable - net |  | 2,071 |
Inventories |  | 672 |
Other current assets |  | 756 |
Assets held for sale |  | 5,638 |
Property, plant and equipment - net |  | 2,240 |
Goodwill |  | 2,385 |
Other intangible assets - net |  | 113 |
Investments in partially owned affiliates |  | 1,745 |
Other noncurrent assets |  | 891 |
Noncurrent assets held for sale |  | 7,374 |
Short term debt |  | 41 |
Current portion of long-term debt |  | 38 |
Accounts payable |  | 2,764 |
Accrued compensation and benefits |  | 430 |
Other current liabilities |  | 975 |
Liabilities held for sale |  | 4,248 |
Long-term debt |  | 3,441 |
Pension and postretirement benefits |  | 188 |
Other noncurrent iabilities |  | 259 |
Noncurrent liabilities held for sale |  | 3,888 |
Corporate | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |
Assets and Liabilities Held for Sale [Line Items] |  |  |
Assets held for sale |  | $ 17 |
Global Products | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Scott Safety business [Member] |  |  |
Assets and Liabilities Held for Sale [Line Items] |  |  |
Cash | 9 |  |
Accounts receivable - net | 100 |  |
Inventories | 75 |  |
Other current assets | 5 |  |
Assets held for sale | 189 |  |
Property, plant and equipment - net | 79 |  |
Goodwill | 1,248 |  |
Other intangible assets - net | 592 |  |
Other noncurrent assets | 1 |  |
Noncurrent assets held for sale | 1,920 |  |
Accounts payable | 37 |  |
Accrued compensation and benefits | 10 |  |
Other current liabilities | 25 |  |
Liabilities held for sale | 72 |  |
Other noncurrent iabilities | 173 |  |
Noncurrent liabilities held for sale | $ 173 |  |

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