$AVNT
AVIENT CORP Stock $avnt

$avnt Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000112297622000007 Filed on February 22, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$1.202B	$11.00M	$997.0M
YoY Change	20.51%	-37.14%	51.38%
Cost Of Revenue	$947.8M	$3.719B	$738.8M
YoY Change	28.29%	51.32%	47.38%
Gross Profit	$253.7M	$1.100B	$252.9M
YoY Change	0.32%	40.2%	64.97%
Gross Profit Margin	21.12%	9996.36%	25.37%
Selling, General & Admin	$179.1M	$718.4M	$154.8M
YoY Change	15.7%	20.74%	16.57%
% of Gross Profit	70.6%	65.33%	61.21%
Research & Development		$83.20M
YoY Change		39.13%
% of Gross Profit		7.57%
Depreciation & Amortization	$38.40M	$144.2M	$37.00M
YoY Change	3.78%	28.98%	93.72%
% of Gross Profit	15.14%	13.11%	14.63%
Operating Expenses	$179.1M	$801.6M	$154.8M
YoY Change	15.7%	22.42%	16.57%
Operating Profit	$74.60M	$381.2M	$65.00M
YoY Change	14.77%	101.37%	217.07%
Interest Expense	-$17.50M	-$75.30M	-$19.30M
YoY Change	-9.33%	0.94%	62.18%
% of Operating Profit	-23.46%	-19.75%	-29.69%
Other Income/Expense, Net	-$5.400M	-$1.300M	$11.70M
YoY Change	-146.15%	-105.35%	9.35%
Pretax Income	$51.10M	$304.6M	$57.40M
YoY Change	-10.98%	119.14%	197.41%
Income Tax	$22.20M	$74.00M	-$17.30M
% Of Pretax Income	43.44%	24.29%	-30.14%
Net Earnings	$29.80M	$230.8M	$74.30M
YoY Change	-59.89%	75.38%	-84.03%
Net Earnings / Revenue	2.48%	2098.18%	7.45%
Basic Earnings Per Share		$2.53	$0.81
Diluted Earnings Per Share	$323.6K	$2.51	$0.81
COMMON SHARES
Basic Shares Outstanding		91.40M shares	91.48M shares
Diluted Shares Outstanding		92.10M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$601.2M	$601.2M	$649.5M
YoY Change	-7.44%	-7.44%	-24.89%
Cash & Equivalents	$601.2M	$601.2M	$649.5M
Short-Term Investments
Other Short-Term Assets	$122.4M	$122.4M	$108.5M
YoY Change	12.81%	12.81%	88.04%
Inventory	$461.1M	$461.1M	$327.5M
Prepaid Expenses
Receivables	$642.3M	$642.3M	$516.6M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.827B	$1.827B	$1.602B
YoY Change	14.04%	14.04%	5.87%
LONG-TERM ASSETS
Property, Plant & Equipment	$676.1M	$750.2M	$694.9M
YoY Change	-2.71%	-3.3%	70.57%
Goodwill	$1.286B		$1.308B
YoY Change	-1.66%		90.77%
Intangibles	$925.2M		$1.009B
YoY Change	-8.26%		114.89%
Long-Term Investments
YoY Change
Other Assets	$208.4M	$208.4M	$176.0M
YoY Change	18.41%	18.41%	31.54%
Total Long-Term Assets	$3.170B	$3.170B	$3.268B
YoY Change	-3.0%	-3.0%	85.7%
TOTAL ASSETS
Total Short-Term Assets	$1.827B	$1.827B	$1.602B
Total Long-Term Assets	$3.170B	$3.170B	$3.268B
Total Assets	$4.997B	$4.997B	$4.871B
YoY Change	2.6%	2.6%	48.79%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$553.9M	$553.9M	$471.7M
YoY Change	17.43%	17.43%	63.96%
Accrued Expenses	$353.9M	$315.7M	$285.6M
YoY Change	23.91%	22.41%	-23.92%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$8.600M	$8.600M	$18.60M
YoY Change	-53.76%	-53.76%	1.09%
Total Short-Term Liabilities	$940.6M	$940.6M	$801.0M
YoY Change	17.43%	17.43%	14.02%
LONG-TERM LIABILITIES
Long-Term Debt	$1.850B	$1.850B	$1.854B
YoY Change	-0.2%	-0.2%	53.11%
Other Long-Term Liabilities	$165.1M	$315.2M	$192.8M
YoY Change	-14.37%	-13.36%	33.61%
Total Long-Term Liabilities	$2.266B	$2.166B	$2.358B
YoY Change	-3.89%	-2.36%	55.31%
TOTAL LIABILITIES
Total Short-Term Liabilities	$940.6M	$940.6M	$801.0M
Total Long-Term Liabilities	$2.266B	$2.166B	$2.358B
Total Liabilities	$3.207B	$3.223B	$3.159B
YoY Change	1.52%	1.55%	42.25%
SHAREHOLDERS EQUITY
Retained Earnings	$1.208B		$1.057B
YoY Change	14.24%		5.61%
Common Stock	$1.200M		$1.200M
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$900.7M		$901.2M
YoY Change	-0.06%		-13.6%
Treasury Stock Shares	30.60M shares		30.90M shares
Shareholders Equity	$1.775B	$1.775B	$1.697B
YoY Change
Total Liabilities & Shareholders Equity	$4.997B	$4.997B	$4.871B
YoY Change	2.6%	2.6%	48.79%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$29.80M	$230.8M	$74.30M
YoY Change	-59.89%	75.38%	-84.03%
Depreciation, Depletion And Amortization	$38.40M	$144.2M	$37.00M
YoY Change	3.78%	28.98%	93.72%
Cash From Operating Activities	$123.8M	$233.8M	$152.9M
YoY Change	-19.03%	5.51%	49.61%
INVESTING ACTIVITIES
Capital Expenditures	-$37.90M	$100.6M	-$25.10M
YoY Change	51.0%	57.93%	-25.74%
Acquisitions		$47.60M
YoY Change		-96.55%
Other Investing Activities	$0.00	$2.000M	-$37.50M
YoY Change	-100.0%	-138.46%	-104.64%
Cash From Investing Activities	-$37.90M	-$150.2M	-$62.60M
YoY Change	-39.46%	-89.51%	-108.09%
FINANCING ACTIVITIES
Cash Dividend Paid		$77.70M
YoY Change		8.98%
Common Stock Issuance & Retirement, Net		$4.200M
YoY Change		-100.89%
Debt Paid & Issued, Net		$6.500M
YoY Change		0.0%
Cash From Financing Activities	-23.10M	-$114.6M	-29.50M
YoY Change	-21.69%	-111.67%	-86.12%
NET CHANGE
Cash From Operating Activities	123.8M	$233.8M	152.9M
Cash From Investing Activities	-37.90M	-$150.2M	-62.60M
Cash From Financing Activities	-23.10M	-$114.6M	-29.50M
Net Change In Cash	62.80M	-$48.30M	60.80M
YoY Change	3.29%	-77.56%	-90.84%
FREE CASH FLOW
Cash From Operating Activities	$123.8M	$233.8M	$152.9M
Capital Expenditures	-$37.90M	$100.6M	-$25.10M
Free Cash Flow	$161.7M	$133.2M	$178.0M
YoY Change	-9.16%	-15.64%	30.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001122976
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-16091
CY2021	dei	Entity Registrant Name EntityRegistrantName	Avient Corp
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OH
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	34-1730488
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	33587 Walker Road,
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Avon Lake
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	44012
CY2021	dei	City Area Code CityAreaCode	440
CY2021	dei	Local Phone Number LocalPhoneNumber	930-1000
CY2021	dei	Security12b Title Security12bTitle	Common Shares, par value $.01 per share
CY2021	dei	Trading Symbol TradingSymbol	AVNT
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	4500000000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	91604913	shares
CY2021	dei	Auditor Firm AuditorFirmId	42
CY2021	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2021	dei	Auditor Location AuditorLocation	Cleveland, Ohio
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4818800000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3242100000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2862700000	USD
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3719200000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2457800000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2205500000	USD
CY2021	us-gaap	Gross Profit GrossProfit	1099600000	USD
CY2020	us-gaap	Gross Profit GrossProfit	784300000	USD
CY2019	us-gaap	Gross Profit GrossProfit	657200000	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	718400000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	595000000.0	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	500400000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	381200000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	189300000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	156800000	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-75300000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-74600000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-59500000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1300000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	24300000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	12100000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	304600000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	139000000.0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	109400000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	74000000.0	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5200000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33700000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	230600000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	133800000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90100000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	77200000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	75700000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-400000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	513100000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	230600000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	133400000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	588800000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-200000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1800000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	200000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	230800000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	131600000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	588600000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.53
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.47
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.98
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	6.64
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.53
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.46
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.62
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.51
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.46
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.97
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	6.61
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.51
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.45
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CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91400000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	600000	shares
CY2020	us-gaap	Profit Loss ProfitLoss	133400000	USD
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	700000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	500000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	500000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92100000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90600000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	77700000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	800000	shares
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.875
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.820
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.788
CY2021	us-gaap	Profit Loss ProfitLoss	230600000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	588800000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-75200000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	110600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	2200000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3200000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-2500000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-72000000.0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	109000000.0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-300000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	158600000	USD
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CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	588500000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-200000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1800000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	200000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	158800000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	240600000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	588300000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	601200000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	649500000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	642300000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	516600000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	461100000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	327500000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	122400000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	108500000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1827000000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	1602100000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	676100000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	694900000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	1286400000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	1308100000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	925200000	USD
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CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	74100000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	80900000	USD
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CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	176000000.0	USD
CY2021Q4	us-gaap	Assets Assets	4997200000	USD
CY2020Q4	us-gaap	Assets Assets	4870500000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	8600000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	18600000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	553900000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	471700000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	24200000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	25100000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	353900000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	285600000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	940600000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	115000000.0	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	165100000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	192800000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	801000000.0	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1850300000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1854000000	USD
CY2021Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	100000000.0	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	100600000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	140000000.0	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	50100000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	56000000.0	USD
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	2266100000	USD
CY2020Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	2357800000	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000.0	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000.0	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	122200000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	122200000	shares
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1200000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	1200000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1511800000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1513300000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1208000000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1057400000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	30600000	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	30900000	shares
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	900700000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	901200000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-45600000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	26400000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1774700000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1697100000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	15800000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	14600000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1790500000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1711700000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4997200000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4870500000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	230600000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	133400000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	588800000	USD
CY2021	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	USD
CY2020	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	USD
CY2019	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	457700000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	144200000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	111800000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	87500000	USD
CY2021	us-gaap	Restructuring Reserve Accelerated Depreciation RestructuringReserveAcceleratedDepreciation	1700000	USD
CY2020	us-gaap	Restructuring Reserve Accelerated Depreciation RestructuringReserveAcceleratedDepreciation	3200000	USD
CY2019	us-gaap	Restructuring Reserve Accelerated Depreciation RestructuringReserveAcceleratedDepreciation	0	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-27300000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1700000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3200000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	11200000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	11300000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	11600000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	143100000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4600000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-29700000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	139500000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-40200000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-40200000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	95300000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	78400000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-22700000	USD
CY2021	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-10900000	USD
CY2020	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	30700000	USD
CY2019	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-19700000	USD
CY2021	avnt	Increase Decrease In Contingent Consideration IncreaseDecreaseInContingentConsideration	0	USD
CY2020	avnt	Increase Decrease In Contingent Consideration IncreaseDecreaseInContingentConsideration	1000000.0	USD
CY2019	avnt	Increase Decrease In Contingent Consideration IncreaseDecreaseInContingentConsideration	36400000	USD
CY2021	avnt	Increase Decrease In Accrued Liabilities And Other Assets IncreaseDecreaseInAccruedLiabilitiesAndOtherAssets	71600000	USD
CY2020	avnt	Increase Decrease In Accrued Liabilities And Other Assets IncreaseDecreaseInAccruedLiabilitiesAndOtherAssets	-2000000.0	USD
CY2019	avnt	Increase Decrease In Accrued Liabilities And Other Assets IncreaseDecreaseInAccruedLiabilitiesAndOtherAssets	9900000	USD
CY2021	avnt	Payment Of Taxes On Gain On Divestiture PaymentOfTaxesOnGainOnDivestiture	0	USD
CY2020	avnt	Payment Of Taxes On Gain On Divestiture PaymentOfTaxesOnGainOnDivestiture	142000000.0	USD
CY2019	avnt	Payment Of Taxes On Gain On Divestiture PaymentOfTaxesOnGainOnDivestiture	0	USD
CY2021	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	0	USD
CY2020	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	38100000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	233800000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	221600000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	300800000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	100600000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	63700000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	81700000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	47600000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1380200000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	119600000	USD
CY2021	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	7100000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	761800000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2000000.0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-5200000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-51400000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-150200000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1431600000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	611900000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	650000000.0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	963400000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1083900000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4200000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	22400000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	26900000	USD
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	77700000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	71300000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	60300000	USD
CY2021	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
CY2020	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
CY2019	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	1800000	USD
CY2021	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	18500000	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	7800000	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	6500000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	10700000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2300000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2100000	USD
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	9500000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	200000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	496100000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2021	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	50800000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3500000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-114600000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	982000000.0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-218300000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-17300000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12800000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-600000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-48300000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-215200000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	693800000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	649500000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	864700000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170900000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	601200000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	649500000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	864700000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	540600000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	588800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-300000	USD
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	60300000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	26900000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	10800000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1052700000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	133400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	109000000.0	USD
CY2020	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	800000	USD
CY2020	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	800000	USD
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	75100000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	22400000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	496100000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	6300000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	12500000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1711700000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	230600000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-72000000.0	USD
CY2021	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	-1400000	USD
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	80200000	USD
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4200000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5600000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-2400000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1790500000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.875
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.820
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.788
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions in certain circumstances that affect amounts reported in the accompanying consolidated financial statements and notes. Actual results could differ from these estimates.</span></div>
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2021Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	24500000	USD
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	22500000	USD
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2019	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-6900000	USD
CY2019	avnt	Other Comprehensive Income Loss Net Investment Hedge And Cash Flow Hedge Gain Loss OtherComprehensiveIncomeLossNetInvestmentHedgeAndCashFlowHedgeGainLoss	6600000	USD
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	152300000	USD
CY2020	avnt	Other Comprehensive Income Loss Net Investment Hedge And Cash Flow Hedge Gain Loss OtherComprehensiveIncomeLossNetInvestmentHedgeAndCashFlowHedgeGainLoss	-43300000	USD
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-127700000	USD
CY2021	avnt	Other Comprehensive Income Loss Net Investment Hedge And Cash Flow Hedge Gain Loss OtherComprehensiveIncomeLossNetInvestmentHedgeAndCashFlowHedgeGainLoss	55700000	USD
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	83200000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	59800000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	50600000	USD
CY2020Q2	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	640500000	USD
CY2020	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	0	USD
CY2019	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	9400000	USD
CY2020	us-gaap	Capital Expenditure Discontinued Operations CapitalExpenditureDiscontinuedOperations	0	USD
CY2019	us-gaap	Capital Expenditure Discontinued Operations CapitalExpenditureDiscontinuedOperations	14100000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	1308100000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	685700000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	569000000.0	USD
CY2020	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	53400000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	14100000	USD
CY2021	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-35800000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	1286400000	USD
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1187100000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	269700000	USD
CY2021Q4	avnt	Finite Lived Intangible Assets Currency Translation FiniteLivedIntangibleAssetsCurrencyTranslation	-7800000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	925200000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1168100000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	212200000	USD
CY2020Q4	avnt	Finite Lived Intangible Assets Currency Translation FiniteLivedIntangibleAssetsCurrencyTranslation	-52600000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1008500000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	57500000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	43500000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	29500000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	55500000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	53100000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	52600000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	52600000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	51900000	USD
CY2021Q4	avnt	Long Term Debt Excluding Current Maturities Principal Amount LongTermDebtExcludingCurrentMaturitiesPrincipalAmount	1864700000	USD
CY2021Q4	avnt	Debt Instrument Unamortized Discount Premiumand Debt Issuance Costs Noncurrent DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNoncurrent	14400000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1850300000	USD
CY2021	us-gaap	Restructuring Charges RestructuringCharges	14700000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	19600000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1873300000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	14400000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	1858900000	USD
CY2021Q4	avnt	Long Term Debt Current Maturities Principal Amount LongTermDebtCurrentMaturitiesPrincipalAmount	8600000	USD
CY2021Q4	avnt	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Current DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsCurrent	0	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	8600000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1891900000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	19300000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1872600000	USD
CY2020Q4	avnt	Long Term Debt Current Maturities Principal Amount LongTermDebtCurrentMaturitiesPrincipalAmount	18600000	USD
CY2020Q4	avnt	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Current DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsCurrent	0	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	18600000	USD
CY2020Q4	avnt	Long Term Debt Excluding Current Maturities Principal Amount LongTermDebtExcludingCurrentMaturitiesPrincipalAmount	1873300000	USD
CY2020Q4	avnt	Debt Instrument Unamortized Discount Premiumand Debt Issuance Costs Noncurrent DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNoncurrent	19300000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1854000000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6500000	USD
CY2021Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1917700000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1955900000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	1858900000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1872600000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	8600000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	608600000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	8600000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	658700000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	6900000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	581900000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1873300000	USD
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	17500000	USD
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19900000	USD
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	11000000	USD
CY2021	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	72600000	USD
CY2020	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	61100000	USD
CY2019	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	67000000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	34400000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	33300000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y8M12D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y4M24D
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	18300000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10500000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.037
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	26300000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	19800000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	12600000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7700000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4600000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	10300000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	81300000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7000000.0	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	74300000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	28000000.0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	21400000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	15000000.0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8700000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4700000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	13300000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	91100000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	10000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	81100000	USD
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	244400000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	171700000	USD
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	21200000	USD
CY2020Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	16600000	USD
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	195500000	USD
CY2020Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	139200000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	461100000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	327500000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1414400000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1377400000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	738300000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	682500000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	676100000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	694900000	USD
CY2021	us-gaap	Depreciation Depreciation	84900000	USD
CY2020	us-gaap	Depreciation Depreciation	68200000	USD
CY2019	us-gaap	Depreciation Depreciation	48600000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	165100000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	192800000	USD
CY2021	avnt	Remeasurement Gain Loss Net On Pension Plans RemeasurementGainLossNetOnPensionPlans	9400000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0247
CY2021Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0269
CY2020	avnt	Remeasurement Gain Loss Net On Pension Plans RemeasurementGainLossNetOnPensionPlans	17200000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	1100000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0319
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0247
CY2019	avnt	Remeasurement Gain Loss Net On Pension Plans RemeasurementGainLossNetOnPensionPlans	9600000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0411
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0319
CY2021	avnt	Defined Contribution Plan Employer Matching Contributions DefinedContributionPlanEmployerMatchingContributions	10700000	USD
CY2020	avnt	Defined Contribution Plan Employer Matching Contributions DefinedContributionPlanEmployerMatchingContributions	9900000	USD
CY2019	avnt	Defined Contribution Plan Employer Matching Contributions DefinedContributionPlanEmployerMatchingContributions	10400000	USD
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	600000	USD
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10700000	USD
CY2019	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	10300000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10500000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10400000	USD
CY2020Q1	avnt	Accrual For Environmental Loss Contingencies Number Of Companies Negotiating Consent Decree AccrualForEnvironmentalLossContingenciesNumberOfCompaniesNegotiatingConsentDecree	3	company
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	124500000	USD
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	119700000	USD
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	119700000	USD
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	112000000.0	USD
CY2018Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111900000	USD
CY2021	us-gaap	Accrual For Environmental Loss Contingencies Charges To Expense For New Losses AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses	23000000.0	USD
CY2020	us-gaap	Accrual For Environmental Loss Contingencies Charges To Expense For New Losses AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses	20400000	USD
CY2019	us-gaap	Accrual For Environmental Loss Contingencies Charges To Expense For New Losses AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses	10200000	USD
CY2021	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	18200000	USD
CY2020	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	12700000	USD
CY2021	us-gaap	Accrual For Environmental Loss Contingencies Foreign Currency Translation Gain Loss AccrualForEnvironmentalLossContingenciesForeignCurrencyTranslationGainLoss	0	USD
CY2020	us-gaap	Accrual For Environmental Loss Contingencies Foreign Currency Translation Gain Loss AccrualForEnvironmentalLossContingenciesForeignCurrencyTranslationGainLoss	0	USD
CY2019	us-gaap	Accrual For Environmental Loss Contingencies Foreign Currency Translation Gain Loss AccrualForEnvironmentalLossContingenciesForeignCurrencyTranslationGainLoss	200000	USD
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	124500000	USD
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	119700000	USD
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	112000000.0	USD
CY2021	us-gaap	Insurance Recoveries InsuranceRecoveries	4500000	USD
CY2020	us-gaap	Insurance Recoveries InsuranceRecoveries	8700000	USD
CY2019	us-gaap	Insurance Recoveries InsuranceRecoveries	4500000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	74200000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	19600000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	41200000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	230400000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.028
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	119400000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	68200000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	304600000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	139000000.0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	109400000	USD
CY2021	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	49000000.0	USD
CY2020	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	-25800000	USD
CY2019	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	24800000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	52300000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	32700000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	21900000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	101300000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-18900000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-500000	USD
CY2021	avnt	Deferred Income Expensefrom Continuing Operations DeferredIncomeExpensefromContinuingOperations	-27300000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5200000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6900000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	46700000	USD
CY2021	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-31500000	USD
CY2020	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	17200000	USD
CY2019	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-12500000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	4200000	USD
CY2020	avnt	Deferred Income Expensefrom Continuing Operations DeferredIncomeExpensefromContinuingOperations	-1700000	USD
CY2019	avnt	Deferred Income Expensefrom Continuing Operations DeferredIncomeExpensefromContinuingOperations	-13000000.0	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	74000000.0	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33700000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.021
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.002
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.027
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.089
CY2021	avnt	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income And Fdii Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAndFDIIPercent	-0.017
CY2020	avnt	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income And Fdii Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAndFDIIPercent	0.031
CY2019	avnt	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income And Fdii Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAndFDIIPercent	-0.001
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.014
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.020
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.016
CY2021	avnt	Effective Income Tax Rate Reconciliation Nondeductible Expense Contingent Consideration Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseContingentConsiderationPercent	0.001
CY2020	avnt	Effective Income Tax Rate Reconciliation Nondeductible Expense Contingent Consideration Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseContingentConsiderationPercent	0.018
CY2019	avnt	Effective Income Tax Rate Reconciliation Nondeductible Expense Contingent Consideration Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseContingentConsiderationPercent	0.028
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.060
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.008
CY2021	avnt	Effective Income Tax Rate Reconciliation Tax Credit Capital Losses Percent EffectiveIncomeTaxRateReconciliationTaxCreditCapitalLossesPercent	-0.004
CY2020	avnt	Effective Income Tax Rate Reconciliation Tax Credit Capital Losses Percent EffectiveIncomeTaxRateReconciliationTaxCreditCapitalLossesPercent	-0.131
CY2019	avnt	Effective Income Tax Rate Reconciliation Tax Credit Capital Losses Percent EffectiveIncomeTaxRateReconciliationTaxCreditCapitalLossesPercent	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.014
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.034
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.042
CY2021	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsPercent	0.002
CY2020	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsPercent	-0.052
CY2019	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsPercent	0.075
CY2021	avnt	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Percent EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsPercent	0.007
CY2020	avnt	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Percent EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsPercent	0.010
CY2019	avnt	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Percent EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsPercent	-0.024
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.017
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.005
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.017
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.008
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.243
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.037
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.308
CY2021	avnt	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income And Fdii Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAndFDIIAmount	5500000	USD
CY2021	avnt	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income And Fdii Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAndFDIIPercent	-0.017
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4200000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.014
CY2021	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Favorable Amount EffectiveIncomeTaxRateReconciliationForeignPermanentItemsFavorableAmount	600000	USD
CY2021	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Favorable Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsFavorablePercent	0.002
CY2020	avnt	Effective Income Tax Rate Reconciliation Investments In Foreign Subsidiaries Tax Benefit Amount EffectiveIncomeTaxRateReconciliationInvestmentsInForeignSubsidiariesTaxBenefitAmount	18200000	USD
CY2020	avnt	Effective Income Tax Rate Reconciliation Investments In Foreign Subsidiaries Percent EffectiveIncomeTaxRateReconciliationInvestmentsInForeignSubsidiariesPercent	-0.131
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4700000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.034
CY2020	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Favorable Amount EffectiveIncomeTaxRateReconciliationForeignPermanentItemsFavorableAmount	7200000	USD
CY2020	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Favorable Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsFavorablePercent	0.052
CY2019	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Unfavorable Amount EffectiveIncomeTaxRateReconciliationForeignPermanentItemsUnfavorableAmount	10300000	USD
CY2019	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Unfavorable Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsUnfavorablePercent	0.094
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	55600000	USD
CY2021Q4	avnt	Deferred Tax Assets Capitalized Research And Development DeferredTaxAssetsCapitalizedResearchAndDevelopment	22000000.0	USD
CY2019	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Favorable Amount EffectiveIncomeTaxRateReconciliationForeignPermanentItemsFavorableAmount	2000000	USD
CY2019	avnt	Effective Income Tax Rate Reconciliation Foreign Permanent Items Favorable Percent EffectiveIncomeTaxRateReconciliationForeignPermanentItemsFavorablePercent	0.019
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	34200000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	24900000	USD
CY2021Q4	avnt	Deferred Tax Assets Environmental DeferredTaxAssetsEnvironmental	30900000	USD
CY2020Q4	avnt	Deferred Tax Assets Environmental DeferredTaxAssetsEnvironmental	29700000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	52800000	USD
CY2021Q4	avnt	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Operating Lease Liability DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOperatingLeaseLiability	16100000	USD
CY2020Q4	avnt	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Operating Lease Liability DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOperatingLeaseLiability	16600000	USD
CY2020Q4	avnt	Deferred Tax Assets Capitalized Research And Development DeferredTaxAssetsCapitalizedResearchAndDevelopment	7600000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	45700000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	36300000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	201700000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	170700000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	19600000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	20700000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	182100000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	150000000.0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	47400000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	47600000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	130600000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	144900000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	16200000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	17000000.0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	15000000.0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2400000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	209200000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	211900000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	27100000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	61900000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	17800000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	195400000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1100000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	0	USD
CY2020Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	489000000	USD
CY2021Q4	avnt	Deferred Tax Liabilities Repatriation Of Foreign Earnings DeferredTaxLiabilitiesRepatriationOfForeignEarnings	10100000	USD
CY2020Q4	avnt	Deferred Tax Liabilities Repatriation Of Foreign Earnings DeferredTaxLiabilitiesRepatriationOfForeignEarnings	9200000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	102100000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	188800000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	45700000	USD
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	12600000	USD
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	9900000	USD
CY2018	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	20000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000.0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11200000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	16400000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	6200000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	600000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1100000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	200000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	600000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	400000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	5400000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	700000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1500000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	500000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	100000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2800000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2021	avnt	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	-400000	USD
CY2020	avnt	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	-400000	USD
CY2019	avnt	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	1000000.0	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20100000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9500000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11200000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1200000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1100000	USD
CY2021	avnt	Unrecognized Tax Benefits Reasonably Possible Reduction Resulting From Lapse Of Applicable Statuteof Limitations And Outcome Of Tax Examinations UnrecognizedTaxBenefitsReasonablyPossibleReductionResultingFromLapseOfApplicableStatuteofLimitationsAndOutcomeOfTaxExaminations	700000	USD
CY2021	avnt	Unrecognized Tax Benefits Income Tax Expense Impact If Recognized UnrecognizedTaxBenefitsIncomeTaxExpenseImpactIfRecognized	10900000	USD
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	2500000	shares
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11200000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11300000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11600000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2021	avnt	Number Of Gradesof Resins Soldby Company Distribution NumberOfGradesofResinsSoldbyCompanyDistribution	4000	grade_resin
CY2021	avnt	Company Distribution Numberof Customers CompanyDistributionNumberofCustomers	6500	injectionMoldersAndExtruders
CY2021	avnt	Number Of Suppliers Representedby Company Distribution NumberOfSuppliersRepresentedbyCompanyDistribution	25	supplier
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4818800000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4818800000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	381200000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3242100000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3242100000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	189300000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2862700000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2862700000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	156800000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4818800000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3242100000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2862700000	USD
CY2021Q4	us-gaap	Assets Assets	4997200000	USD
CY2020Q4	us-gaap	Assets Assets	4870500000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	676100000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	694900000	USD

Files In Submission

Name	View Source	Status
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report.css	Edgar Link	pending
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$AVNT
AVIENT CORP Stock $avnt

2021 Q4 Form 10-K Financial Statement

#000112297622000007 Filed on February 22, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVNT AVIENT CORP Stock $avnt

2021 Q4 Form 10-K Financial Statement

#000112297622000007 Filed on February 22, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVNT
AVIENT CORP Stock $avnt