Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Dec. 31, 2020	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 147	$ 151
Accounts and notes receivable, net of reserve for doubtful accounts of $3 and $2	513	418
Inventories:
Raw materials	107	82
Finished goods	247	225
Other	49	52
Total inventories	403	359
Prepaid expenses and other current assets	62	50
Total current assets	1,125	978
Property, plant and equipment, net	1,353	1,314
Goodwill	142	134
Equity affiliates	41	39
Intangible assets, net	107	103
Deferred income taxes	51	53
Other assets	161	160
Total assets	2,980	2,781
Current liabilities:
Short-term borrowings	13	14
Accounts payable and accrued liabilities	521	488
Income taxes payable	28	20
Current portion of long-term debt	8	7
Total current liabilities	570	529
Long-term debt	1,085	1,094
Deferred income taxes	58	58
Other liabilities	305	286
Commitments and contingencies (Note G)
Preferred stock:
Authorized: 2,000,000 shares of $1 par value Issued and Outstanding: None and none
Common stock:
Authorized: 200,000,000 shares of $1 par value, Issued: 56,752,165 and 56,616,030 shares, Outstanding: 56,606,215 and 56,466,638 shares	57	57
Less cost of 145,950 and 149,392 shares of common treasury stock	(4)	(4)
Retained earnings	1,032	989
Accumulated other comprehensive income (loss)	(262)	(351)
Total Cabot Corporation stockholders' equity	823	691
Noncontrolling interests	139	123
Total stockholders' equity	962	814
Total liabilities and stockholders' equity	$ 2,980	$ 2,781