Assets and Liabilities Held for Sale Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade Receivables Held-for-sale, Net			$ 94
Inventories Held-for-sale			742
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current			83
Other Assets Held-for-sale, Current			19
Disposal Group, Including Discontinued Operation, Goodwill, Current			63
Disposal Group, Including Discontinued Operation, Intangible Assets, Current			28
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current			374
Current assets held for sale	$ 0		1,403
Disposal Group, Including Discontinued Operation, Accounts Payable, Current			114
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current			110
Disposal Group, Including Discontinued Operation, Other Liabilities, Current			6
Current liabilities held for sale	0		$ 230
Chocolate [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses		$ 431
Gain on sale/revaluation of assets		$ 38
Transportation [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	1,200
Gain on sale/revaluation of assets	$ 206