Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Activities
Net income attributable to Union Carbide Corporation	$ 165	$ 173
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	52	50
Provision for deferred income tax	2	72
Restructuring and asset related charges - net	1	0
Net periodic pension benefit cost	11	7
Pension contributions	(41)	(161)
Changes in assets and liabilities:
Accounts and notes receivable	(2)	(21)
Related company receivables	189	146
Inventories	9	1
Accounts payable	(5)	7
Related company payables	(218)	(17)
Asbestos-related payments	(30)	(30)
Other assets and liabilities	20	(8)
Cash provided by operating activities	153	219
Investing Activities
Capital expenditures	(44)	(50)
Change in noncurrent receivable from related company	1	1
Proceeds from sales of investments	0	3
Cash used for investing activities	(43)	(46)
Financing Activities
Dividends paid to parent	(111)	(169)
Changes in short-term notes payable	1	0
Cash used for financing activities	(110)	(169)
Summary
Increase in cash and cash equivalents	0	4
Cash and cash equivalents at beginning of year	13	11
Cash and cash equivalents at end of period	$ 13	$ 15