Borrowings - Schedule of Notes Payable and Short-Term Borrowings (Details) - USD ($) $ in Millions	Jan. 31, 2022	Oct. 31, 2021
Amount Outstanding
Current portion of long-term debt	$ 662	$ 672
Amount outstanding	$ 689	$ 1,106
Weighted-Average Interest Rate
Current portion of long-term debt	3.90%	3.80%
Commercial paper
Amount Outstanding
Commercial paper	$ 0	$ 400
Weighted-Average Interest Rate
Notes payable to banks, lines of credit and other	0.00%	0.20%
Notes payable to banks, lines of credit and other
Amount Outstanding
Amount outstanding	$ 27	$ 34
Weighted-Average Interest Rate
Notes payable to banks, lines of credit and other	1.50%	1.20%