Condensed Consolidated Statements of Cash Flows (USD $) In Millions	9 Months Ended
	Jul. 31, 2011		Jul. 31, 2010
Cash flows from operating activities
Net income	$ 1,503		$ 217	[1]
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	217		198
Depreciation of equipment leased to others	28		38
Deferred taxes	(1,472)		9
Impairment of property and equipment and intangible assets	73		0
Amortization of debt issuance costs and discount	33		29
Stock-based compensation	33		20
Provision for doubtful accounts, net of recoveries	(5)		33
Equity in loss of non-consolidated affiliates, net of dividends	57		35
Other non-cash operating activities	(9)		51
Changes in other assets and liabilities, exclusive of the effects of businesses acquired and disposed	81		34	[1]
Net cash provided by operating activities	539		664
Cash flows from investing activities
Purchases of marketable securities	(1,109)		(944)
Sales or maturities of marketable securities	1,075		643
Net change in restricted cash and cash equivalents	21		341
Capital expenditures	(291)	[2]	(162)	[2]
Purchase of equipment leased to others	(35)		(27)
Proceeds from sales of property and equipment	27		11
Investments in non-consolidated affiliates	(48)		(83)
Proceeds from sales of affiliates	6		4
Acquisition of intangibles	(15)		(12)
Business acquisitions, net of cash received	(1)		(2)
Net cash used in investing activities	(370)		(231)
Cash flows from financing activities
Proceeds from issuance of securitized debt	348		1,170
Principal payments on securitized debt	(560)		(1,178)
Proceeds from issuance of non-securitized debt	158		609
Principal payments on non-securitized debt	(73)		(802)
Net decrease in notes and debt outstanding under revolving credit facilities	(85)		(832)
Principal payments under financing arrangements and capital lease obligations	(81)		(56)
Debt issuance costs	(6)		(26)
Purchase of treasury stock	(11)		0
Proceeds from exercise of stock options	36		33
Dividends paid by subsidiaries to non-controlling interest	(43)		(45)
Net cash used in financing activities	(317)		(1,127)
Effect of exchange rate on cash and cash equivalents	7		(3)
Decrease in cash and cash equivalents	(141)		(697)
Cash and cash equivalents at beginning of period	585		1,212
Cash and cash equivalents at end of the period	$ 444		$ 515

[1] Certain amounts have been revised to reflect a retrospective change in accounting principle. See Note 1, Summary of significant accounting policies.

[2] Exclusive of purchase of equipment leased to others.