PENSION AND OTHER POSTRETIREMENT BENEFITS - Components of Net Periodic Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2021	Feb. 02, 2020
Net Periodic Cost
Location of costs excluding the service component	us-gaap:OtherCostOfOperatingRevenue	us-gaap:OtherCostOfOperatingRevenue
Pensions
Net Periodic Cost
Service cost	$ 85	$ 84
Interest cost	69	87
Expected return on plan assets	(200)	(205)
Amortization of actuarial loss	63	62
Amortization of prior service (credit) cost	3	3
Settlements	13	3
Net cost	33	34
Employer Contributions
Defined benefit plan employer contributions	42
Defined benefit plan employer contributions expected for the remainder of the fiscal year	58
OPEB
Net Periodic Cost
Service cost	12	12
Interest cost	26	37
Expected return on plan assets	(19)	(12)
Amortization of actuarial loss	7	7
Amortization of prior service (credit) cost	(1)	(1)
Curtailments		21
Net cost	25	64
Employer Contributions
Defined benefit plan employer contributions	57
Defined benefit plan employer contributions expected for the remainder of the fiscal year	789
OPEB | United States
Employer Contributions
Defined benefit plan employer contributions expected for the remainder of the fiscal year	$ 700
OPEB | United States | 2020 Employee-Separation Programs
Net Periodic Cost
Curtailments		$ 21