Related Party Disclosures (Tables)

6 Months Ended

Jun. 30, 2021

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 three and six months ended June 30, 2021 and 2020:

Product and Services Agreements Transactions	Three Months Ended				Six Months Ended
	Jun 30, 2021		Jun 30, 2020		Jun 30, 2021		Jun 30, 2020		Income Statement Classification
In millions
TDCC Subsidiary:
Commodity and raw materials purchases 1	$	495	$	206	$	978	$	437	Cost of sales
Commission expense	$	6	$	6	$	12	$	11	Sundry income (expense) - net
TDCC:
General administrative and overhead type services and service fee 2	$	18	$	8	$	35	$	16	Sundry income (expense) - net
Activity-based costs	$	18	$	24	$	37	$	47	Cost of sales

1.Period-end balances on hand are included in inventory. The increase in purchase costs was primarily due to higher feedstock and energy costs, which includes the impact of Winter Storm Uri in the first quarter of 2021.

2.The increase in services and fees resulted from TDCC's periodic review of the actual cost of services provided to UCC in accordance with related agreements.

Dividends Declared

The following table summarizes cash dividends declared and paid to TDCC for the three and six months ended June 30, 2021 and 2020:

Cash Dividends Declared and Paid	Three Months Ended				Six Months Ended
	Jun 30, 2021		Jun 30, 2020		Jun 30, 2021		Jun 30, 2020
In millions
Cash dividends declared and paid	$	—	$	81	$	40	$	162