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Borrowings - Schedule of Notes Payable and Short-Term Borrowings (Details) - USD ($) $ in Millions | Jan. 31, 2019 | Oct. 31, 2018
--- | --- | ---
Amount Outstanding |  |
Current portion of long-term debt | $ 259 | $ 565
Amount outstanding | $ 297 | $ 1,463
Weighted-Average Interest Rate |  |
Current portion of long-term debt | 3.70% | 3.10%
Commercial paper |  |
Amount Outstanding |  |
Commercial paper | $ 0 | $ 854
Weighted-Average Interest Rate |  |
Notes payable to banks, lines of credit and other | 0.00% | 2.50%
Notes payable to banks, lines of credit and other |  |
Amount Outstanding |  |
Amount outstanding | $ 38 | $ 44
Weighted-Average Interest Rate |  |
Notes payable to banks, lines of credit and other | 1.80% | 1.70%

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