PENSION AND OTHER POSTRETIREMENT BENEFITS - Cost in Net Income and Changes in Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
Nov. 03, 2019	Oct. 28, 2018	Oct. 29, 2017
Pensions
Previous Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net cost	$ 70	$ 154	$ 106
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Net actuarial (gain) loss	887	(553)	(702)
Amortization of actuarial (loss) gain	(143)	(226)	(247)
Amortization of prior service (cost) credit	(11)	(12)	(12)
Settlements	(3)	(8)	(2)
Total (gain) loss recognized in other comprehensive (income) loss	730	(799)	(963)
Total recognized in comprehensive (income) loss	800	(645)	(857)
OPEB
Previous Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net cost	165	199	241
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Net actuarial (gain) loss	141	(608)	(309)
Prior service cost		5
Amortization of actuarial (loss) gain	(16)	(62)	(99)
Amortization of prior service (cost) credit	72	77	77
Total (gain) loss recognized in other comprehensive (income) loss	197	(588)	(331)
Total recognized in comprehensive (income) loss	$ 362	$ (389)	$ (90)

Amount recognized in net periodic benefit cost (credit) and other comprehensive (income) loss.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount, before tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.

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Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan.

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Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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