Borrowings (Details) - USD ($)	Oct. 31, 2019	Oct. 31, 2018
Notes Payable and Short-Term Borrowings
Current portion of long-term debt	$ 3,441,000,000	$ 1,196,000,000
Amount Outstanding	$ 4,425,000,000	$ 2,005,000,000
Current portion of long-term debt, weighted average interest rate (as a percent)	4.10%	2.20%
Asset-backed Securities
Notes Payable and Short-Term Borrowings
Current portion of long-term debt	$ 390,000,000
FS Commercial paper
Notes Payable and Short-Term Borrowings
Amount Outstanding	$ 698,000,000	$ 392,000,000
Weighted-Average Interest Rate	(0.10%)	(0.20%)
Short term borrowings	$ 0	$ 0
Notes payable to banks, lines of credit and other
Notes Payable and Short-Term Borrowings
Amount Outstanding	$ 286,000,000	$ 417,000,000
Weighted-Average Interest Rate	2.70%	2.50%
Notes payable to banks, lines of credit and other | Financial Services
Notes Payable and Short-Term Borrowings
Short term borrowings	$ 204,000,000	$ 361,000,000