Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2019

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, 2019 and 2018 to the total of these amounts shown on the Company's consolidated statements of cash flows:

(Millions of dollars)	September 30, 2019		September 30, 2018
Cash and equivalents	$	536	$	1,140
Restricted cash	54		96
Cash and equivalents and restricted cash	$	590	$	1,236