Stockholders' Deficit Stockholder's Rights Plan (Policies)

3 Months Ended

Jan. 31, 2016

Shareholder's Rights Plan [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Stockholders' Deficit

Accumulated Other Comprehensive Loss

Changes in Accumulated other comprehensive loss, net of tax, included in the Consolidated Statements of Stockholders' Deficit, consisted of the following:

(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 loss before reclassifications	—		(33		)	—			(33		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			33			33
Net current-period other comprehensive income (loss)	—		(33		)	33			—
Balance as of January 31, 2016	$	1	$	(320	)	$	(2,282	)	$	(2,601	)

(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	—		(59		)	—			(59		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			32			32
Net current-period other comprehensive income (loss)	—		(59		)	32			(27		)
Balance as of January 31, 2015	$	1	$	(186	)	$	(2,105	)	$	(2,290	)

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

		Three Months Ended January 31,
	Location in Consolidated Statements of Operations	2016		2015
Defined benefit plans
Amortization of prior service benefit	Selling, general and administrative expenses	$	—	$	(1	)
Amortization of actuarial loss	Selling, general and administrative expenses	33		33
Total reclassifications for the period (net of tax of $0 for both periods)		$	33	$	32