v3.22.0.1
Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Schedule of Cash Paid for Interest and Income Taxes
Cash paid for interest and income taxes was as follows:
202120202019
Interest, net of amount capitalized*$87 $48 $107 
Income taxes, net of amount refunded26 27 29 
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*    In 2019, amount includes cash paid by ParentCo related to interest expense allocated to Arconic (see Cost Allocations in Note A).