RELATED PARTY TRANSACTIONS (Tables)

12 Months Ended

Dec. 31, 2023

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The following table summarizes UCC’s transactions with TDCC and a TDCC subsidiary related to product and services agreements for the years ended December 31, 2023, 2022 and 2021:

Product and Services Agreements Transactions	2023		2022		2021		Income Statement
In millions							Classification
Commodity and raw materials purchases 1	$	1,078	$	1,909	$	1,915	Cost of sales
Commission expense	$	19	$	19	$	21	Sundry income (expense) - net
General administrative and overhead type services and service fee 2	$	72	$	65	$	63	Sundry income (expense) - net
Activity-based costs 2	$	158	$	89	$	74	Cost of sales

1.Period-end balances on hand are included in inventory. The 2023 decrease in purchase costs was primarily due to lower feedstock and energy costs on lower production.

2.The 2023 increase was due to changes in cost flows and the cost of site infrastructure services resulting from UCC's divestment of certain non-product producing infrastructure assets to another TDCC subsidiary in the fourth quarter of 2023.

Dividends Declared

The following table summarizes cash dividends declared and paid to TDCC for the years ended 2023, 2022 and 2021:

Cash Dividends Declared and Paid	2023		2022		2021
In millions
Cash dividends declared and paid	$	512	$	1,063	$	288