Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Activities
Net Income Attributable to Union Carbide Corporation	$ 627	$ 1,055	$ 205
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	204	207	200
Provision (credit) for deferred income tax	(10)	35	414
Net (gain) loss on sales of property and investments	6	0	(26)
Net gain on sale of ownership interest in nonconsolidated affiliate	0	0	(4)
Restructuring and asset related charges - net	79	3	74
Net periodic pension benefit cost	52	43	28
Pension contributions	(2)	(42)	(162)
Changes in assets and liabilities:
Accounts and notes receivable	13	23	7
Related company receivables	105	(100)	44
Inventories	23	(26)	29
Accounts payable	(51)	(6)	36
Related company payables	(121)	(169)	166
Asbestos-related payments	(95)	(109)	(121)
Other assets and liabilities	(82)	(113)	(112)
Cash provided by operating activities	748	801	778
Investing Activities
Capital expenditures	(196)	(250)	(223)
Proceeds from sale of ownership interest in nonconsolidated affiliate	0	0	22
Changes in noncurrent receivable from related company	(13)	0	3
Proceeds from sales of property	21	0	18
Purchases of investments	0	(1)	(1)
Proceeds from sales of investments	4	3	9
Cash used for investing activities	(184)	(248)	(172)
Financing Activities
Dividends paid to parent	(570)	(553)	(603)
Changes in short-term notes payable	5	1	0
Payments on long-term debt	(1)	(1)	(1)
Cash used for financing activities	(566)	(553)	(604)
Summary
Increase (decrease) in cash and cash equivalents	(2)	0	2
Cash and cash equivalents at beginning of year	13	13
Cash and cash equivalents at end of year	11	13	13
Supplemental Cash Flow Information
Interest, net of amounts capitalized	37	37	37
Income taxes	$ 136	$ 269	$ 254