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Related Party Disclosures (Tables)
6 Months Ended
Jun. 30, 2022
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, 2022 and 2021:

Product and Services Agreements TransactionsThree Months EndedSix Months Ended
Jun 30, 2022Jun 30, 2021Jun 30, 2022Jun 30, 2021Income Statement Classification
In millions
TDCC Subsidiary:
Commodity and raw materials purchases 1
$563 $495 $1,068 $978 Cost of sales
Commission expense$$$10 $12 Sundry income (expense) - net
TDCC:
General administrative and overhead type services and service fee$16 $18 $32 $35 Sundry income (expense) - net
Activity-based costs$22 $18 $42 $37 Cost of sales
1.Period-end balances on hand are included in inventory. The increase in purchase costs was primarily due to higher feedstock costs.
Dividends Declared
The following table summarizes cash dividends declared and paid to TDCC for the three and six months ended June 30, 2022 and 2021:

Cash Dividends Declared and PaidThree Months EndedSix Months Ended
Jun 30, 2022Jun 30, 2021Jun 30, 2022Jun 30, 2021
In millions
Cash dividends declared and paid$296 $— $521 $40