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Nonconsolidated Partially-Owned Affiliates Summarized Balance Sheet Data (Detail) - Equity Method Investments - USD ($) $ in Millions | Sep. 30, 2018 | Sep. 30, 2017
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Equity Method Investments, Summarized Balance Sheet Information [Line Items] |  |
Current Assets | $ 4,307 | $ 4,034
Noncurrent assets | 1,654 | 1,513
Total assets | 5,961 | 5,547
Current liabilities | 2,718 | 2,470
Noncurrent liabilities | 459 | 478
Noncontrolling interests | 39 | 33
Shareholders' equity | 2,745 | 2,566
Total liabilities and shareholders' equity | $ 5,961 | $ 5,547

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- Definition The amount of assets reported by an equity method investment of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33912-111571 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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