Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Cash flows from operating activities
Net income (loss)	$ (5)	$ (129)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	73	75
Depreciation of equipment leased to others	36	37
Deferred taxes, including change in valuation allowance	1	(2)
Asset impairment charges	3	7
Amortization of debt issuance costs and discount	15	23
Stock-based compensation	21	12
Provision for doubtful accounts	3	7
Equity in income of non-consolidated affiliates, net of dividends	4	1
Write off of debt issuance cost and discount	43	4
Other non-cash operating activities	(13)	(9)
Changes in other assets and liabilities, exclusive of businesses disposed	(278)	(133)
Net cash used in operating activities	(97)	(107)
Cash flows from investing activities
Payments to Acquire Marketable Securities	(148)	(589)
Sales of marketable securities	460	440
Maturities of marketable securities	18	17
Net change in restricted cash and cash equivalents	42	(48)
Capital expenditures	(53)	(66)
Purchases of equipment leased to others	(92)	(37)
Proceeds from sales of property and equipment	5	14
Investments in non-consolidated affiliates	0	(2)
Payments for (Proceeds from) Businesses and Interest in Affiliates	(3)	0
Net Cash Provided by (Used in) Investing Activities	229	(271)
Cash flows from financing activities
Proceeds from issuance of secured debt	27	5
Principal payments on secured debt	(34)	(56)
Net change in secured revolving credit facilities	5	21
Proceeds from issuance of non-securitized debt	2,805	383
Principal payments on non-securitized debt	(2,589)	(278)
Net change in notes and debt outstanding under revolving credit facilities	74	42
Repayments of Debt and Capital Lease Obligations	0	1
Debt issuance costs	(33)	(18)
Proceeds from finance lease obligations	38	16
Proceeds from exercise of stock options	5	3
Dividends paid by subsidiaries to non-controlling interest	(14)	(15)
Proceeds from Issuance of Common Stock	0	256
Payments of Stock Issuance Costs	0	(11)
Other financing activities	(15)	(3)
Net cash provided by (used in) financing activities	269	344
Effect of exchange rate changes on cash and cash equivalents	(7)	1
Increase (decrease) in cash and cash equivalents	394	(33)
Cash and cash equivalents at beginning of the period	706	804
Cash and cash equivalents at end of the period	$ 1,100	$ 771