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PENSION AND OTHER POSTRETIREMENT BENEFITS - Cost in Net Income and Changes in Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 01, 2020	Nov. 03, 2019	Oct. 28, 2018
Pensions
Previous Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net cost	$ 143	$ 70	$ 154
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Net actuarial (gain) loss	438	887	(553)
Amortization of actuarial loss	(249)	(143)	(226)
Amortization of prior service (cost) credit	(11)	(11)	(12)
Settlements	(26)	(3)	(8)
Total (gain) loss recognized in other comprehensive (income) loss	152	730	(799)
Total recognized in comprehensive (income) loss	295	800	(645)
OPEB
Previous Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net cost	198	165	199
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Net actuarial (gain) loss	(136)	141	(608)
Prior service cost			5
Amortization of actuarial loss	(29)	(16)	(62)
Amortization of prior service (cost) credit	4	72	77
Total (gain) loss recognized in other comprehensive (income) loss	(161)	197	(588)
Total recognized in comprehensive (income) loss	$ 37	$ 362	$ (389)

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