Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of Cash and Cash Equivalents

The following reconciles cash and equivalents and restricted cash reported within the Company's consolidated balance sheets at September 30, 2020 and 2019 to the total of these amounts shown on the Company's consolidated statements of cash flows:

(Millions of dollars)	September 30, 2020		September 30, 2019
Cash and equivalents	$	2,825	$	536
Restricted cash	92		54
Cash and equivalents and restricted cash	$	2,917	$	590