Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net (Loss) Income	$ 773	$ 958
Adjustments to net income to derive net cash provided by operating activities:
Depreciation and amortization	802	841
Share-based compensation	138	158
Deferred income taxes	(339)	(150)
Change in operating assets and liabilities	(665)	(49)
Pension obligation	56	63
Excess tax benefits from payments under share-based compensation plans	60	0
Lease contract modification-related charge	741	0
Other, net	(142)	34
Net Cash Provided by Operating Activities	1,424	1,854
Investing Activities
Capital expenditures	(467)	(405)
Proceeds from sale of investments, net	17	12
Acquisitions of businesses, net of cash acquired	158	0
Proceeds from divestitures, net	165	158
Other, net	(94)	(83)
Net Cash Used for Investing Activities	(536)	(318)
Financing Activities
Change in short-term debt	50	(150)
Proceeds from long-term debt	11,462	0
Payments of debt	(3,980)	(751)
Proceeds from issuance of equity securities	4,827	0
Repurchase of common stock	(220)	0
Excess tax benefits from payments under share-based compensation plans	0	75
Dividends paid	(478)	(421)
Other, net	(229)	(29)
Net Cash Provided by (Used for) Financing Activities	11,433	(1,276)
Effect of exchange rate changes on cash and equivalents	(11)	2
Net increase in cash and equivalents	12,310	262
Opening Cash and Equivalents	1,541	1,424
Closing Cash and Equivalents	$ 13,852	$ 1,686