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Balance Sheet and Cash Flows Supplemental Information (Tables)
 12 Months Ended
Dec. 31, 2022
Payables and Accruals [Abstract]  
Accrued Liabilities Accrued liabilities consisted of the following:
December 31,
20222021
Employee-related costs and benefits$107 $155 
Related party payables15 1 
Interest15 20 
Sales rebates37 36 
Taxes other than income taxes13 18 
Asset retirement obligations8 10 
Interest rate swaps— 25 
Other accrued liabilities57 63 
Accrued liabilities$252 $328 
Schedule of Cash Flow, Supplemental Disclosures Additional supplemental cash flow information for the year ended and as of December 31, 2022, 2021 and 2020 is as follows:
Year Ended December 31,
Supplemental non cash information:202220212020
Operating activities - reduction of Hawkins Point environmental obligation$12 $— $— 
Operating activities - MGT sales made to AMIC$3 $4 $— 
Operating activities - Interest expense on MGT loan$1 $1 $— 
Investing activities - sale of Hawkins Point land$12 $— $— 
Investing activities - Acquisition of MGT assets$— $— $36 
Financing activities - debt assumed in the acquisition of MGT assets$— $— $36 
Financing activities - Acquisition of noncontrolling interest$— $125 $— 
Financing activities - Repayment of MGT loan$3 $3 $— 
Financing activities - Initial commercial insurance premium financing agreement$21 $— $— 
December 31,
202220212020
Capital expenditures acquired but not yet paid $72 $75 $37