Financial Instruments and Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 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 March 31, 2020 and September 30, 2019 to the total of these amounts shown on the Company's consolidated statements of cash flows:

(Millions of dollars)	March 31, 2020		September 30, 2019
Cash and equivalents	$	2,351	$	536
Restricted cash	88		54
Cash and equivalents and restricted cash	$	2,439	$	590