Stockholders' Deficit (Tables) (Tables)

9 Months Ended

Jul. 31, 2015

Equity [Abstract]

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

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 April 30, 2015	$	1	$	(213	)	$	(2,072	)	$	(2,284	)
Other comprehensive loss before reclassifications	—		(47		)	—			(47		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			33			33
Net current-period other comprehensive income (loss)	—		(47		)	33			(14		)
Balance as of July 31, 2015	$	1	$	(260	)	$	(2,039	)	$	(2,298	)

(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	—		(133		)	—			(133		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			98			98
Net current-period other comprehensive income (loss)	—		(133		)	98			(35		)
Balance as of July 31, 2015	$	1	$	(260	)	$	(2,039	)	$	(2,298	)

(in millions)	Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of April 30, 2014	$	(89	)	$	(1,699	)	$	(1,788	)
Other comprehensive income (loss) before reclassifications	(3		)	7			4
Amounts reclassified out of accumulated other comprehensive loss	—			26			26
Net current-period other comprehensive income (loss)	(3		)	33			30
Balance as of July 31, 2014	$	(92	)	$	(1,666	)	$	(1,758	)

(in millions)	Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2013	$	(75	)	$	(1,749	)	$	(1,824	)
Other comprehensive income (loss) before reclassifications	(17		)	5			(12		)
Amounts reclassified out of accumulated other comprehensive loss	—			78			78
Net current-period other comprehensive income (loss)	(17		)	83			66
Balance as of July 31, 2014	$	(92	)	$	(1,666	)	$	(1,758	)

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

	Location in Consolidated Statements of Operations	Three Months Ended July 31, 2015			Nine Months Ended July 31, 2015
Defined benefit plans
Amortization of prior service benefit	Selling, general and administrative expenses	$	(1	)	$	(3	)
Amortization of actuarial loss	Selling, general and administrative expenses	34			102
	Total before tax	33			99
	Tax expense	—			(1		)
Total reclassifications for the period, net of tax		$	33		$	98

	Location in Consolidated Statements of Operations	Three Months Ended July 31, 2014			Nine Months Ended July 31, 2014
Defined benefit plans
Amortization of prior service benefit	Selling, general and administrative expenses	$	(1	)	$	(3	)
Amortization of actuarial loss	Selling, general and administrative expenses	28			82
	Total before tax	27			79
	Tax benefit	(1		)	(1		)
Total reclassifications for the period, net of tax		$	26		$	78