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Note 13, NonConsolidated Partially-Owned Affiliates (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Sep. 30, 2016
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Summarized Financial Information, Revenue			$ 12,890	$ 12,158
Equity Method Investment, Summarized Financial Information, Current Assets	$ 7,439		7,439		$ 6,135
Equity Method Investment, Summarized Financial Information, Noncurrent Assets	3,025		3,025		2,729
Equity Method Investment, Summarized Financial Information, Assets	10,464		10,464		8,864
Equity Method Investment, Summarized Financial Information, Current Liabilities	7,013		7,013		5,855
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities	364		364		195
Equity Method Investment, Summarized Financial Information, Noncontrolling Interest	130		130		140
Equity Method Investment Summarized Financial Information, Equity	2,957		2,957		2,674
Equity Method Investment, Summarized Financial Information, Liabilities and Equity	10,464		10,464		8,864
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)			1,588	1,356
Equity Method Investments Summarized Financial Information Operating Income (Loss)			904	835
Equity Method Investments Summarized Financial Information Net Income (Loss) Including Noncontrolling Interests			796	744
Equity Method Investments Summarized Financial Information Net Income (Loss) Attributable to Noncontrolling Interests			48	52
Equity Method Investment, Summarized Financial Information, Net Income (Loss)			748	692
Income (Loss) from Equity Method Investments before Basis Adjustments			304	278
Equity Method Investments Basis Adjustments			(18)	(18)
Income (Loss) from Equity Method Investments	94	$ 89	286	260
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	1,967		1,967		1,748
YFJC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Summarized Financial Information, Revenue			3,389	3,156
Equity Method Investment, Summarized Financial Information, Current Assets	2,973		2,973		2,306
Equity Method Investment, Summarized Financial Information, Noncurrent Assets	655		655		609
Equity Method Investment, Summarized Financial Information, Assets	3,628		3,628		2,915
Equity Method Investment, Summarized Financial Information, Current Liabilities	2,704		2,704		2,004
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities	48		48		44
Equity Method Investment, Summarized Financial Information, Noncontrolling Interest	99		99		113
Equity Method Investment Summarized Financial Information, Equity	777		777		754
Equity Method Investment, Summarized Financial Information, Liabilities and Equity	3,628		3,628		2,915
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)			437	438
Equity Method Investments Summarized Financial Information Operating Income (Loss)			335	334
Equity Method Investments Summarized Financial Information Net Income (Loss) Including Noncontrolling Interests			271	274
Equity Method Investments Summarized Financial Information Net Income (Loss) Attributable to Noncontrolling Interests			35	35
Equity Method Investment, Summarized Financial Information, Net Income (Loss)			236	239
Income (Loss) from Equity Method Investments before Basis Adjustments			118	121
Equity Method Investments Basis Adjustments			(2)	(3)
Income (Loss) from Equity Method Investments			116	118
All Other [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Summarized Financial Information, Revenue			9,501	9,002
Equity Method Investment, Summarized Financial Information, Current Assets	4,466		4,466		3,829
Equity Method Investment, Summarized Financial Information, Noncurrent Assets	2,370		2,370		2,120
Equity Method Investment, Summarized Financial Information, Assets	6,836		6,836		5,949
Equity Method Investment, Summarized Financial Information, Current Liabilities	4,309		4,309		3,851
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities	316		316		151
Equity Method Investment, Summarized Financial Information, Noncontrolling Interest	31		31		27
Equity Method Investment Summarized Financial Information, Equity	2,180		2,180		1,920
Equity Method Investment, Summarized Financial Information, Liabilities and Equity	$ 6,836		6,836		$ 5,949
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)			1,151	918
Equity Method Investments Summarized Financial Information Operating Income (Loss)			569	501
Equity Method Investments Summarized Financial Information Net Income (Loss) Including Noncontrolling Interests			525	470
Equity Method Investments Summarized Financial Information Net Income (Loss) Attributable to Noncontrolling Interests			13	17
Equity Method Investment, Summarized Financial Information, Net Income (Loss)			512	453
Income (Loss) from Equity Method Investments before Basis Adjustments			186	157
Equity Method Investments Basis Adjustments			(16)	(15)
Income (Loss) from Equity Method Investments			$ 170	$ 142

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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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.

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No definition available.

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