Financial Instruments and Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 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 March 31, 2019 and September 30, 2018 to the total of these amounts shown on the Company's consolidated statements of cash flows:

(Millions of dollars)	March 31, 2019		September 30, 2018
Cash and equivalents	$	686	$	1,140
Restricted cash	81		96
Cash and equivalents and restricted cash	$	767	$	1,236