Stockholders' Deficit (Tables) (Tables)

6 Months Ended

Apr. 30, 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 January 31, 2015	$	1	$	(186	)	$	(2,105	)	$	(2,290	)
Other comprehensive loss before reclassifications	—		(27		)	—			(27		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			33			33
Net current-period other comprehensive income (loss)	—		(27		)	33			6
Balance as of April 30, 2015	$	1	$	(213	)	$	(2,072	)	$	(2,284	)

(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	—		(86		)	—			(86		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			65			65
Net current-period other comprehensive income (loss)	—		(86		)	65			(21		)
Balance as of April 30, 2015	$	1	$	(213	)	$	(2,072	)	$	(2,284	)

(in millions)	Unrealized Gain on Marketable Securities		Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of January 31, 2014	$	—	$	(137	)	$	(1,724	)	$	(1,861	)
Other comprehensive income (loss) before reclassifications	—		48			(1		)	47
Amounts reclassified out of accumulated other comprehensive loss	—		—			26			26
Net current-period other comprehensive income	—		48			25			73
Balance as of April 30, 2014	$	—	$	(89	)	$	(1,699	)	$	(1,788	)

(in millions)	Unrealized Gain on Marketable Securities		Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2013	$	—	$	(75	)	$	(1,749	)	$	(1,824	)
Other comprehensive loss before reclassifications	—		(14		)	(2		)	(16		)
Amounts reclassified out of accumulated other comprehensive loss	—		—			52			52
Net current-period other comprehensive income (loss)	—		(14		)	50			36
Balance as of April 30, 2014	$	—	$	(89	)	$	(1,699	)	$	(1,788	)

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

	Location in Consolidated Statements of Operations	Three Months Ended April 30, 2015			Six Months Ended April 30, 2015
Defined benefit plans
Amortization of prior service costs	Selling, general and administrative expenses	$	(1	)	$	(2	)
Amortization of actuarial loss	Selling, general and administrative expenses	34			68
	Total before tax	$	33		$	66
	Tax expense	—			(1		)
Total reclassifications for the period, net of tax		$	33		$	65

	Location in Consolidated Statements of Operations	Three Months Ended April 30, 2014			Six Months Ended April 30, 2014
Defined benefit plans
Amortization of prior service costs	Selling, general and administrative expenses	$	(1	)	$	(2	)
Amortization of actuarial loss	Selling, general and administrative expenses	27			54
Total reclassifications for the period (net of tax of $0 at both dates)		$	26		$	52