Stockholders' Deficit (Tables) (Tables)

6 Months Ended

Apr. 30, 2019

Accumulated Other Comprehensive Income (Loss) [Line Items]

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

The following table presents changes in Accumulated other comprehensive loss, net of tax, included in our Consolidated Statements of Stockholders' Deficit:

(in millions)	Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of January 31, 2019	$	(301	)	$	(1,490	)	$	(1,791	)
Other comprehensive loss before reclassifications	(18		)	—			(18		)
Amounts reclassified out of accumulated other comprehensive loss	—			23			23
Net current-period other comprehensive income (loss)	(18		)	23			5
Balance as of April 30, 2019	$	(319	)	$	(1,467	)	$	(1,786	)

(in millions)	Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2018	$	(315	)	$	(1,605	)	$	(1,920	)
Other comprehensive loss before reclassifications	(4		)	(8		)	(12		)
Amounts reclassified out of accumulated other comprehensive loss	—			146			146
Net current-period other comprehensive income (loss)	(4		)	138			134
Balance as of April 30, 2019	$	(319	)	$	(1,467	)	$	(1,786	)

(in millions)	Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of January 31, 2018	$	(261	)	$	(1,893	)	$	(2,154	)
Other comprehensive loss before reclassifications	(28		)	—			(28		)
Amounts reclassified out of accumulated other comprehensive loss	—			28			28
Net current-period other comprehensive income (loss)	(28		)	28			—
Balance as of April 30, 2018	$	(289	)	$	(1,865	)	$	(2,154	)

(in millions)	Foreign Currency Translation Adjustments			Defined Benefit Plans			Total
Balance as of October 31, 2017	$	(283	)	$	(1,928	)	$	(2,211	)
Other comprehensive loss before reclassifications	(6		)	(2		)	(8		)
Amounts reclassified out of accumulated other comprehensive loss	—			65			65
Net current-period other comprehensive income (loss)	(6		)	63			57
Balance as of April 30, 2018	$	(289	)	$	(1,865	)	$	(2,154	)

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:

		Three Months Ended April 30,					Six Months Ended April 30,
(in millions)	Location in Consolidated Statements of Operations	2019		2018			2019			2018
Defined benefit plans
Amortization of actuarial loss	Other expense, net	$	23	$	29		$	47		$	57
Settlements	Other expense, net	—		—			142			9
	Total before tax	23		29			189			66
	Income tax benefit	—		(1		)	(43		)	(1		)
Total reclassifications for the period, net of tax		$	23	$	28		$	146		$	65