Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Activities
Net income attributable to Union Carbide Corporation	$ 375	$ 427	$ 627
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	202	210	204
Provision (credit) for deferred income tax	140	46	(10)
Net (gain) loss on sales of property and investments	(6)	(271)	6
Restructuring and asset related charges - net	1	15	79
Net periodic pension benefit cost (credit)	(5)	56	52
Pension contributions	(549)	(2)	(2)
Gain (Loss) on Extinguishment of Debt	0	19	0
Other Noncash Expense	11	0	0
Changes in assets and liabilities:
Accounts and notes receivable	(22)	(6)	13
Related company receivables	(24)	(194)	105
Inventories	(48)	33	23
Accounts payable	132	28	(51)
Related company payables	210	24	(121)
Asbestos-related payments	(82)	(67)	(95)
Other assets and liabilities	71	(42)	(82)
Cash provided by operating activities	406	276	748
Investing Activities
Capital expenditures	(121)	(135)	(196)
Change in noncurrent receivable from related company	(2)	0	(13)
Proceeds from sales of property	7	330	21
Proceeds from sales of investments	0	0	4
Cash provided by (used for) investing activities	(116)	195	(184)
Financing Activities
Dividends paid to parent	(288)	(362)	(570)
Changes in short-term notes payable	0	(6)	5
Payments on long-term debt	(2)	(84)	(1)
Payments of Financing Costs	0	(19)	0
Cash used for financing activities	(290)	(471)	(566)
Summary
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	0	0	(2)
Cash and cash equivalents at beginning of year	11	11	13
Cash and cash equivalents at end of year	$ 11	$ 11	$ 11