LONG-TERM BORROWINGS (Details) € in Millions, $ in Millions	Apr. 12, 2022 USD ($)	Jul. 31, 2022 USD ($)	Jul. 31, 2022 EUR (€)	Oct. 31, 2021 USD ($)	Oct. 31, 2021 EUR (€)	Aug. 01, 2021 USD ($)	Aug. 01, 2021 EUR (€)
Long-term borrowings
Less debt issuance costs and debt discounts		$ (115)		$ (118)		$ (119)
Total long-term borrowings		32,132		32,888		32,280
2.75% Notes Due 2025
Long-term borrowings
Long-term borrowings, gross		$ 700		$ 700		$ 700
Debt instrument, stated interest rate		2.75%	2.75%	2.75%	2.75%	2.75%	2.75%
6.55% Debentures Due 2028
Long-term borrowings
Long-term borrowings, gross		$ 200		$ 200		$ 200
Debt instrument, stated interest rate		6.55%	6.55%	6.55%	6.55%	6.55%	6.55%
5.375% Notes Due 2029
Long-term borrowings
Long-term borrowings, gross		$ 500		$ 500		$ 500
Debt instrument, stated interest rate		5.375%	5.375%	5.375%	5.375%	5.375%	5.375%
3.10% Notes Due 2030
Long-term borrowings
Long-term borrowings, gross		$ 700		$ 700		$ 700
Debt instrument, stated interest rate		3.10%	3.10%	3.10%	3.10%	3.10%	3.10%
8.10% Debentures Due 2030
Long-term borrowings
Long-term borrowings, gross		$ 250		$ 250		$ 250
Debt instrument, stated interest rate		8.10%	8.10%	8.10%	8.10%	8.10%	8.10%
7.125% Notes Due 2031
Long-term borrowings
Long-term borrowings, gross		$ 300		$ 300		$ 300
Debt instrument, stated interest rate		7.125%	7.125%	7.125%	7.125%	7.125%	7.125%
3.90% Notes Due 2042
Long-term borrowings
Long-term borrowings, gross		$ 1,250		$ 1,250		$ 1,250
Debt instrument, stated interest rate		3.90%	3.90%	3.90%	3.90%	3.90%	3.90%
2.875% Notes Due 2049
Long-term borrowings
Long-term borrowings, gross		$ 500		$ 500		$ 500
Debt instrument, stated interest rate		2.875%	2.875%	2.875%	2.875%	2.875%	2.875%
3.75% Notes Due 2050
Long-term borrowings
Long-term borrowings, gross		$ 850		$ 850		$ 850
Debt instrument, stated interest rate		3.75%	3.75%	3.75%	3.75%	3.75%	3.75%
.5% Notes Due 2023
Long-term borrowings
Long-term borrowings, gross		$ 510		$ 584		$ 594
Debt instrument, stated interest rate		0.50%	0.50%	0.50%	0.50%	0.50%	0.50%
Principal amount | €			€ 500		€ 500		€ 500
1.375% Notes Due 2024
Long-term borrowings
Long-term borrowings, gross		$ 816		$ 934		$ 951
Debt instrument, stated interest rate		1.375%	1.375%	1.375%	1.375%	1.375%	1.375%
Principal amount | €			€ 800		€ 800		€ 800
1.85% Notes Due 2028
Long-term borrowings
Long-term borrowings, gross		$ 612		$ 701		$ 713
Debt instrument, stated interest rate		1.85%	1.85%	1.85%	1.85%	1.85%	1.85%
Principal amount | €			€ 600		€ 600		€ 600
2.20% Notes Due 2032
Long-term borrowings
Long-term borrowings, gross		$ 612		$ 701		$ 713
Debt instrument, stated interest rate		2.20%	2.20%	2.20%	2.20%	2.20%	2.20%
Principal amount | €			€ 600		€ 600		€ 600
1.65% Notes Due 2039
Long-term borrowings
Long-term borrowings, gross		$ 663		$ 759		$ 773
Debt instrument, stated interest rate		1.65%	1.65%	1.65%	1.65%	1.65%	1.65%
Principal amount | €			€ 650		€ 650		€ 650
Medium-term Notes
Long-term borrowings
Long-term borrowings, gross		$ 22,593		$ 22,899		$ 22,346
Principal amount		22,983		22,647		21,892
Other Notes and Finance Lease Obligations
Long-term borrowings
Long-term borrowings, gross		$ 1,191		$ 1,178		$ 1,059
3.35% Sustainability-Linked Medium Term Notes Due 2029
Long-term borrowings
Long-term borrowings, gross	$ 600
Debt instrument, stated interest rate	3.35%
3.35% Sustainability-Linked Medium Term Notes Due 2029 | Stated Sustainability Performance Target
Long-term borrowings
Interest rate increase (as a percent)	0.25%