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Balance Sheet and Cash Flow Supplemental Information
 3 Months Ended
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet and Cash Flow Supplemental Information Balance Sheet and Cash Flow Supplemental Information
Accrued liabilities consisted of the following:
March 31, 2022December 31, 2021
Employee-related costs and benefits$109 $155 
Related party payables10 1 
Interest16 20 
Sales rebates33 36 
Restructuring1 1 
Taxes other than income taxes21 18 
Asset retirement obligations9 10 
Interest rate swaps— 25 
Venator settlement(1)
85 — 
Other accrued liabilities93 62 
Accrued liabilities$377 $328 
(1) Represents the break fee plus accrued interest related to the Venator settlement. Refer to Note 15 for further details.
Additional supplemental cash flow information for the three months ended March 31, 2022 and 2021 and as of March 31, 2022 and December 31, 2021 is as follows: 
Three Months Ended March 31,
Supplemental non cash information:20222021
Financing activities - Acquisition of noncontrolling interest$— $125 
March 31, 2022December 31, 2021
Capital expenditures acquired but not yet paid$67 $75