Stockholders' Deficit (Tables) (Tables)

12 Months Ended

Oct. 31, 2017

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

(in millions)	Unrealized Gain on Marketable Securities			Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2016	$	1		$	(280	)	$	(2,361	)	$	(2,640	)
Other comprehensive income (loss) before reclassifications(A)	(1		)	(3		)	279			275
Amounts reclassified out of accumulated other comprehensive loss	—			—			154			154
Net current-period other comprehensive income (loss)	(1		)	(3		)	433			429
Balance as of October 31, 2017	$	—		$	(283	)	$	(1,928	)	$	(2,211	)

_________________________

(A) Other comprehensive income before reclassifications for Defined Benefit Plans includes a $28 million intraperiod tax allocation and $8 million of deferred tax assets.

(in millions)	Unrealized Gain on Marketable Securities		Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2015	$	1	$	(287	)	$	(2,315	)	$	(2,601	)
Other comprehensive income (loss) before reclassifications	—		7			(177		)	(170		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			131			131
Net current-period other comprehensive income (loss)	—		7			(46		)	(39		)
Balance as of October 31, 2016	$	1	$	(280	)	$	(2,361	)	$	(2,640	)

(in millions)	Unrealized Gain on Marketable Securities		Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2014	$	1	$	(127	)	$	(2,137	)	$	(2,263	)
Other comprehensive loss before reclassifications	—		(160		)	(309		)	(469		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			131			131
Net current-period other comprehensive loss	—		(160		)	(178		)	(338		)
Balance as of October 31, 2015	$	1	$	(287	)	$	(2,315	)	$	(2,601	)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

The following table presents the amounts reclassified from Accumulated other comprehensive loss and the affected line item in our Consolidated Statements of Operations:

		For the Years Ended October 31,
	Location in Consolidated Statements of Operations	2017			2016			2015
Defined benefit plans
Amortization of prior service benefit	Selling, general and administrative expenses	$	—		$	(1	)	$	(4	)
Amortization of actuarial loss	Selling, general and administrative expenses	138			133			136
Settlements	Restructuring	23			—			—
	Total before tax	161			132			132
	Income tax expense	(7		)	(1		)	(1		)
Total reclassifications for the period, net of tax		$	154		$	131		$	131