Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents		$ 168	$ 151
Accounts and notes receivable, net of reserve for doubtful accounts of $4 and $2		645	418
Inventories		523	359
Prepaid expenses and other current assets		89	50
Total current assets		1,425	978
Property, plant and equipment		3,885	3,686
Accumulated depreciation		(2,509)	(2,372)
Net property, plant and equipment		1,376	1,314
Goodwill	[1]	140	134
Equity affiliates		40	39
Intangible assets, net		100	103
Deferred income taxes		53	53
Other assets		172	160
Total assets		3,306	2,781
Current liabilities:
Short-term borrowings		72	14
Accounts payable and accrued liabilities		667	488
Income taxes payable		35	20
Current portion of long-term debt		373	7
Total current liabilities		1,147	529
Long-term debt		717	1,094
Deferred income taxes		73	58
Other liabilities		279	286
Commitments and contingencies (Note T)
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: 56,870,237 and 56,616,030 shares, Outstanding: 56,726,818 and 56,466,638 shares		57	57
Less cost of 143,419 and 149,392 shares of common treasury stock		(4)	(4)
Additional paid-in capital		24
Retained earnings		1,159	989
Accumulated other comprehensive income (loss)		(289)	(351)
Total Cabot Corporation stockholders’ equity		947	691
Noncontrolling interests		143	123
Total stockholders’ equity		1,090	814
Total liabilities and stockholders’ equity		$ 3,306	$ 2,781

[1] The balance as of September 30, 2020 and September 30, 2021 includes $444 million of accumulated impairment losses associated with the goodwill of Purification Solutions segment. There were no accumulated impairment losses associated with the goodwill of the Reinforcement Materials or Performance Chemicals segments.