$ROK
ROCKWELL AUTOMATION, INC Stock $rok

$rok Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-K Financial Statement

#000102447821000083 Filed on November 09, 2021

Income Statement

Concept	2021 Q3	2021	2020 Q3
Revenue	$1.808B	$6.997B	$1.570B
YoY Change	15.15%	10.55%	-9.26%
Cost Of Revenue	$1.088B	$4.100B	$930.7M
YoY Change	16.94%	9.78%	-7.6%
Gross Profit	$719.4M	$2.898B	$639.3M
YoY Change	12.53%	11.66%	-11.56%
Gross Profit Margin	39.79%	41.41%	40.72%
Selling, General & Admin	$447.2M	$1.680B	$354.4M
YoY Change	26.19%	13.53%	-12.52%
% of Gross Profit	62.16%	57.98%	55.44%
Research & Development		$422.5M
YoY Change		13.73%
% of Gross Profit		14.58%
Depreciation & Amortization	$54.10M	$189.8M	$45.00M
YoY Change	20.22%	9.9%	12.5%
% of Gross Profit	7.52%	6.55%	7.04%
Operating Expenses	$462.1M	$2.103B	$365.7M
YoY Change	26.36%	13.57%	-42.81%
Operating Profit	$257.3M	$795.2M	$273.6M
YoY Change	-5.96%	6.9%	228.06%
Interest Expense	-$253.0M	$94.60M	$26.00M
YoY Change	-1073.08%	-8.6%	-196.3%
% of Operating Profit	-98.33%	11.9%	9.5%
Other Income/Expense, Net
YoY Change
Pretax Income	$4.300M	$1.526B	$299.6M
YoY Change	-98.56%	34.34%	431.21%
Income Tax	-$70.30M	$181.9M	$35.90M
% Of Pretax Income	-1634.88%	11.92%	11.98%
Net Earnings	$78.50M	$1.358B	$262.7M
YoY Change	-70.12%	32.7%	3143.21%
Net Earnings / Revenue	4.34%	19.41%	16.73%
Basic Earnings Per Share		$11.69	$2.26
Diluted Earnings Per Share	$670.4K	$11.58	$2.25
COMMON SHARES
Basic Shares Outstanding		116.0M shares
Diluted Shares Outstanding		117.1M shares

Balance Sheet

Concept	2021 Q3	2021	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$662.8M	$662.8M	$705.2M
YoY Change	-6.01%	-6.01%	-33.35%
Cash & Equivalents	$662.2M	$662.2M	$704.6M
Short-Term Investments	$600.0K	$600.0K	$600.0K
Other Short-Term Assets	$178.6M	$178.0M	$148.1M
YoY Change	20.59%	20.68%	-30.44%
Inventory	$798.1M	$798.1M	$584.0M
Prepaid Expenses
Receivables	$1.425B	$1.425B	$1.249B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$3.063B	$3.063B	$2.686B
YoY Change	14.06%	14.06%	-10.04%
LONG-TERM ASSETS
Property, Plant & Equipment	$581.9M	$959.6M	$574.4M
YoY Change	1.31%	4.61%	0.44%
Goodwill	$3.626B		$1.650B
YoY Change	119.71%		54.08%
Intangibles	$1.022B		$479.3M
YoY Change	113.19%		146.93%
Long-Term Investments	$1.364B	$1.364B	$954.0M
YoY Change	42.92%	43.0%	20.15%
Other Assets	$286.5M	$667.4M	$162.9M
YoY Change	75.87%	15.37%	23.22%
Total Long-Term Assets	$7.638B	$7.638B	$4.579B
YoY Change	66.81%	66.81%	46.42%
TOTAL ASSETS
Total Short-Term Assets	$3.063B	$3.063B	$2.686B
Total Long-Term Assets	$7.638B	$7.638B	$4.579B
Total Assets	$10.70B	$10.70B	$7.265B
YoY Change	47.31%	47.31%	18.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$889.8M	$889.8M	$687.8M
YoY Change	29.37%	29.37%	-0.98%
Accrued Expenses	$593.5M	$593.5M	$381.0M
YoY Change	55.77%	55.82%	17.59%
Deferred Revenue	$462.5M		$325.3M
YoY Change	42.18%		18.03%
Short-Term Debt	$509.7M	$509.7M	$24.60M
YoY Change	1971.95%	1971.95%
Long-Term Debt Due	$6.800M		$0.00
YoY Change			-100.0%
Total Short-Term Liabilities	$2.992B	$2.992B	$1.811B
YoY Change	65.24%	65.24%	-6.51%
LONG-TERM LIABILITIES
Long-Term Debt	$3.465B	$3.465B	$1.975B
YoY Change	75.45%	75.45%	0.94%
Other Long-Term Liabilities	$516.5M	$1.551B	$573.7M
YoY Change	-9.97%	-27.28%	-1.71%
Total Long-Term Liabilities	$3.981B	$5.015B	$2.548B
YoY Change	56.22%	22.11%	0.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.992B	$2.992B	$1.811B
Total Long-Term Liabilities	$3.981B	$5.015B	$2.548B
Total Liabilities	$6.973B	$8.312B	$4.359B
YoY Change	59.97%	33.27%	-2.63%
SHAREHOLDERS EQUITY
Retained Earnings	$8.000B		$7.140B
YoY Change	12.05%		10.86%
Common Stock	$2.115B		$2.012B
YoY Change	5.11%		6.43%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$6.709B		$6.510B
YoY Change	3.05%		1.11%
Treasury Stock Shares	65.40M shares		65.20M shares
Shareholders Equity	$2.390B	$2.390B	$1.028B
YoY Change
Total Liabilities & Shareholders Equity	$10.70B	$10.70B	$7.265B
YoY Change	47.31%	47.31%	18.84%

Cashflow Statement

Concept	2021 Q3	2021	2020 Q3
OPERATING ACTIVITIES
Net Income	$78.50M	$1.358B	$262.7M
YoY Change	-70.12%	32.7%	3143.21%
Depreciation, Depletion And Amortization	$54.10M	$189.8M	$45.00M
YoY Change	20.22%	9.9%	12.5%
Cash From Operating Activities	$204.1M	$1.261B	$325.8M
YoY Change	-37.35%	12.54%	-31.41%
INVESTING ACTIVITIES
Capital Expenditures	-$43.70M	$120.3M	-$22.00M
YoY Change	98.64%	5.62%	-8.71%
Acquisitions		$2.489B
YoY Change		351.72%
Other Investing Activities	-$2.211B	$5.200M	-$4.900M
YoY Change	45016.33%	300.0%	-104.09%
Cash From Investing Activities	-$2.254B	-$2.627B	-$26.90M
YoY Change	8280.67%	325.02%	-128.11%
FINANCING ACTIVITIES
Cash Dividend Paid		$497.1M
YoY Change		5.14%
Common Stock Issuance & Retirement, Net		$299.7M
YoY Change		13.44%
Debt Paid & Issued, Net		$0.00
YoY Change		-100.0%
Cash From Financing Activities	1.801B	$1.298B	-490.6M
YoY Change	-467.02%	-262.45%	50.81%
NET CHANGE
Cash From Operating Activities	204.1M	$1.261B	325.8M
Cash From Investing Activities	-2.254B	-$2.627B	-26.90M
Cash From Financing Activities	1.801B	$1.298B	-490.6M
Net Change In Cash	-249.7M	-$51.00M	-191.7M
YoY Change	30.26%	-82.29%	-178.12%
FREE CASH FLOW
Cash From Operating Activities	$204.1M	$1.261B	$325.8M
Capital Expenditures	-$43.70M	$120.3M	-$22.00M
Free Cash Flow	$247.8M	$1.141B	$347.8M
YoY Change	-28.75%	13.32%	-30.31%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001024478
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021Q3	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent
CY2020Q3	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
CY2021Q3	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent
CY2020Q3	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-12383
CY2021	dei	Entity Registrant Name EntityRegistrantName	Rockwell Automation, Inc
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-1797617
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	1201 South Second Street
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Milwaukee
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	53204
CY2021	dei	City Area Code CityAreaCode	414
CY2021	dei	Local Phone Number LocalPhoneNumber	382-2000
CY2021	dei	Security12b Title Security12bTitle	Common Stock ($1.00 par value)
CY2021	dei	Trading Symbol TradingSymbol	ROK
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
CY2021Q1	dei	Entity Public Float EntityPublicFloat	30800000000	USD
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	115981885	shares
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	662200000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	704600000	USD
CY2021Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	1424500000	USD
CY2020Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	1249100000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	798100000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	584000000.0	USD
CY2021Q3	us-gaap	Other Assets Current OtherAssetsCurrent	178600000	USD
CY2020Q3	us-gaap	Other Assets Current OtherAssetsCurrent	148100000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	3063400000	USD
CY2020Q3	us-gaap	Assets Current AssetsCurrent	2685800000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	581900000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	574400000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	377700000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	342900000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	3625900000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	1650300000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1021800000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	479300000	USD
CY2021Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	380900000	USD
CY2020Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	415600000	USD
CY2021Q3	us-gaap	Long Term Investments LongTermInvestments	1363500000	USD
CY2020Q3	us-gaap	Long Term Investments LongTermInvestments	953500000	USD
CY2021Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	286500000	USD
CY2020Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	162900000	USD
CY2021Q3	us-gaap	Assets Assets	10701600000	USD
CY2020Q3	us-gaap	Assets Assets	7264700000	USD
CY2021Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	509700000	USD
CY2020Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	24600000	USD
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	889800000	USD
CY2020Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	687800000	USD
CY2021Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	408000000.0	USD
CY2020Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	197000000.0	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	462500000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	325300000	USD
CY2021Q3	rok	Customer Returns Rebates And Incentives CustomerReturnsRebatesAndIncentives	237800000	USD
CY2020Q3	rok	Customer Returns Rebates And Incentives CustomerReturnsRebatesAndIncentives	199600000	USD
CY2021Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	484400000	USD
CY2020Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	376500000	USD
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	2992200000	USD
CY2020Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1810800000	USD
CY2021Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3464600000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1974700000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	313600000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	274700000	USD
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	516500000	USD
CY2021Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	720600000	USD
CY2020Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1284000000	USD
CY2020Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	573700000	USD
CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	181400000	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	181400000	shares
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	181400000	USD
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	181400000	USD
CY2021Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1933600000	USD
CY2020Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1830700000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	8000400000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7139800000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1017100000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1614200000	USD
CY2021Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	65400000	shares
CY2020Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	65200000	shares
CY2021Q3	us-gaap	Treasury Stock Value TreasuryStockValue	6708700000	USD
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	6509900000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2389600000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	1027800000	USD
CY2021Q3	us-gaap	Minority Interest MinorityInterest	304500000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	319000000.0	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2694100000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1346800000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10701600000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7264700000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6997400000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6329800000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6694800000	USD
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	4099700000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3734600000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3794700000	USD
CY2021	us-gaap	Gross Profit GrossProfit	2897700000	USD
CY2020	us-gaap	Gross Profit GrossProfit	2595200000	USD
CY2019	us-gaap	Gross Profit GrossProfit	2900100000	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1680000000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1479800000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1538500000	USD
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	397400000	USD
CY2020	us-gaap	Gain Loss On Investments GainLossOnInvestments	153900000	USD
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	-368500000	USD
CY2021	rok	Other Income Expense OtherIncomeExpense	5700000	USD
CY2020	rok	Other Income Expense OtherIncomeExpense	-29700000	USD
CY2019	rok	Other Income Expense OtherIncomeExpense	6100000	USD
CY2021	us-gaap	Interest Expense InterestExpense	94600000	USD
CY2020	us-gaap	Interest Expense InterestExpense	103500000	USD
CY2019	us-gaap	Interest Expense InterestExpense	98200000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1526200000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1136100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	901000000.0	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181900000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	112900000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	205200000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1344300000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	1023200000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	695800000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-13800000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-200000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	695800000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1358100000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1023400000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.69
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.83
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.88
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.58
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.77
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.83
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116000000.0	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	115800000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	118300000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117100000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	116600000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	119300000	shares
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-11400000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1344300000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	1023200000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	695800000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-181000000.0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-3400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	150000000.0	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-576400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-9300000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	475600000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	31400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	25700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-55300000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-3100000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-6600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-5500000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-18500000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-17400000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2200000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	596400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	16500000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-546100000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1940700000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1039700000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	149700000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-14500000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-500000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1955200000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1040200000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	149700000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1344300000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	1023200000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	695800000	USD
CY2021	us-gaap	Depreciation Depreciation	123900000	USD
CY2020	us-gaap	Depreciation Depreciation	122500000	USD
CY2019	us-gaap	Depreciation Depreciation	126200000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	65900000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	50200000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	26000000.0	USD
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	397400000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	153900000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-368500000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	51700000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	46100000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	43100000	USD
CY2021	rok	Retirement Benefits Expenses RetirementBenefitsExpenses	155100000	USD
CY2020	rok	Retirement Benefits Expenses RetirementBenefitsExpenses	129500000	USD
CY2019	rok	Retirement Benefits Expenses RetirementBenefitsExpenses	70700000	USD
CY2021	us-gaap	Pension Contributions PensionContributions	35800000	USD
CY2020	us-gaap	Pension Contributions PensionContributions	84100000	USD
CY2019	us-gaap	Pension Contributions PensionContributions	30900000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-184100000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-65700000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-29000000.0	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-500000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	12400000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1800000	USD
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	28000000.0	USD
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-22000000.0	USD
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	35700000	USD
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	138100000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	9000000.0	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	10400000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	202800000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-30400000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4900000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	184800000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-5000000.0	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	14500000	USD
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	104400000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	43300000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	12100000	USD
CY2021	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	174600000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-44600000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-45200000	USD
CY2021	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	57200000	USD
CY2020	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-11800000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-551000000.0	USD
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	600000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-18800000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	15200000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-39800000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1800000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1261000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1120500000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1182000000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	120300000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	113900000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	132800000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2488500000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	550900000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	20700000	USD
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	13600000	USD
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	10700000	USD
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	5100000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	6000000.0	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	312800000	USD
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	37900000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	66300000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	400000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	14900000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4500000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5200000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1300000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2626600000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-618000000.0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	225000000.0	USD
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	275900000	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	0	USD
CY2021	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	211400000	USD
CY2020	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	423600000	USD
CY2019	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	0	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1485600000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	987600000	USD
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	2500000	USD
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	400000000.0	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	300700000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	497100000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	472800000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	459800000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	299700000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	264200000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1009000000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	154600000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	214400000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	47400000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-30400000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	800000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1100000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1297800000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-798900000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-985900000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16800000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8400000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-21500000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-51000000.0	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-288000000.0	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	399600000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	730400000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1018400000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	618800000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	679400000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	730400000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1018400000	USD
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	662200000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	704600000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1018400000	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	17200000	USD
CY2020Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25800000	USD
CY2019Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	679400000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	730400000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1018400000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1617500000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	695800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-546100000	USD
CY2019	rok	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs And Share Based Payment Arrangement Increase For Cost Recognition AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsAndShareBasedPaymentArrangementIncreaseForCostRecognition	90700000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1000000000	USD
CY2019	us-gaap	Dividends Cash DividendsCash	459800000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	404200000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	1023200000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	16500000	USD
CY2020	rok	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs And Share Based Payment Arrangement Increase For Cost Recognition AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsAndShareBasedPaymentArrangementIncreaseForCostRecognition	260500000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	254900000	USD
CY2020	us-gaap	Dividends Cash DividendsCash	472800000	USD
CY2020	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	367900000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1346800000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1344300000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	596400000	USD
CY2021	rok	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs And Share Based Payment Arrangement Increase For Cost Recognition AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsAndShareBasedPaymentArrangementIncreaseForCostRecognition	206200000	USD
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	301500000	USD
CY2021	us-gaap	Dividends Cash DividendsCash	497500000	USD
CY2021	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-600000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2694100000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.28
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.08
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.88
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:10pt;text-align:justify;text-indent:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in accordance with U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the consolidated financial statements and revenues and expenses during the periods reported. Actual results could differ from those estimates. We use estimates in accounting for, among other items, customer returns, rebates and incentives; allowance for doubtful accounts; excess and obsolete inventory; share-based compensation; acquisitions, including consolidation and intangible assets; goodwill impairment; product warranty obligations; retirement benefits; litigation, claims and contingencies, including environmental matters, conditional asset retirement obligations, and contractual indemnifications; leases; and income taxes. We account for changes to estimates and assumptions prospectively when warranted by factually-based experience.</span></div>
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	13200000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	15200000	USD
CY2021Q3	rok	Allowance For Certain Customer Returns Rebates And Incentives In Receivable AllowanceForCertainCustomerReturnsRebatesAndIncentivesInReceivable	6700000	USD
CY2020Q3	rok	Allowance For Certain Customer Returns Rebates And Incentives In Receivable AllowanceForCertainCustomerReturnsRebatesAndIncentivesInReceivable	8100000	USD
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	31500000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	27200000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	26400000	USD
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	422500000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	371500000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	378900000	USD
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1600000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1800000	shares
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1358100000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1023400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	695800000	USD
CY2021	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	2100000	USD
CY2020	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	1000000.0	USD
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	700000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1356000000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1022400000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	695100000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116000000.0	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	115800000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	118300000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117100000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	116600000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	119300000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.69
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.83
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.88
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.58
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.77
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.83
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	655000000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	385000000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6997400000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6329800000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	325300000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	275600000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	462500000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	325300000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	256100000	USD
CY2021	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	0	USD
CY2019Q3	us-gaap	Goodwill Goodwill	1071100000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	551900000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	27300000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	1650300000	USD
CY2021	rok	Goodwill Change In Goodwill Allocation GoodwillChangeInGoodwillAllocation	0	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1950100000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	25500000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	3625900000	USD
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2021Q1	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1188000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	209900000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	978100000	USD
CY2021Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1231700000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	209900000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1021800000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	795900000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	360300000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	435600000	USD
CY2020Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	839600000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	360300000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	479300000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	112000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	110600000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	107600000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	105300000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	103700000	USD
CY2020	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	27900000	USD
CY2021	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	7200000000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	6500000000	USD
CY2019Q4	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	247000000.0	USD
CY2019Q4	rok	Business Combination Consideration Transferred Equity Interests Issuedand Issuable Noncontrolling Interest BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableNoncontrollingInterest	25800000	USD
CY2019Q4	rok	Business Combination Additional Paid In Capital Adjustment BusinessCombinationAdditionalPaidInCapitalAdjustment	48100000	USD
CY2019Q4	us-gaap	Business Combination Consideration Transferred Other1 BusinessCombinationConsiderationTransferredOther1	7000000.0	USD
CY2021Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	287000000.0	USD
CY2020Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	243000000.0	USD
CY2021Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	229300000	USD
CY2020Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	159100000	USD
CY2021Q3	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	281800000	USD
CY2020Q3	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	181900000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	798100000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	584000000.0	USD
CY2021Q3	us-gaap	Land Land	4800000	USD
CY2020Q3	us-gaap	Land Land	4800000	USD
CY2021Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	397600000	USD
CY2020Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	383000000.0	USD
CY2021Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1244300000	USD
CY2020Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1220700000	USD
CY2021Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	522400000	USD
CY2020Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	506400000	USD
CY2021Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	156400000	USD
CY2020Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	134400000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2325500000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2249300000	USD
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1743600000	USD
CY2020Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1674900000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	581900000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	574400000	USD
CY2021Q3	rok	Debt Instrument Unamortized Discount Premium Finance Lease Liability Noncurrent And Other DebtInstrumentUnamortizedDiscountPremiumFinanceLeaseLiabilityNoncurrentAndOther	51000000.0	USD
CY2020Q3	rok	Debt Instrument Unamortized Discount Premium Finance Lease Liability Noncurrent And Other DebtInstrumentUnamortizedDiscountPremiumFinanceLeaseLiabilityNoncurrentAndOther	45400000	USD
CY2021Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3464600000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1974700000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	91800000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	101700000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	97500000	USD
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3464600000	USD
CY2020Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1974700000	USD
CY2021Q3	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	16900000	USD
CY2020Q3	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	24300000	USD
CY2021Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	18000000.0	USD
CY2020Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	20800000	USD
CY2021Q3	rok	Taxes Other Than Income Taxes Current TaxesOtherThanIncomeTaxesCurrent	59800000	USD
CY2020Q3	rok	Taxes Other Than Income Taxes Current TaxesOtherThanIncomeTaxesCurrent	58500000	USD
CY2021Q3	us-gaap	Interest Payable Current InterestPayableCurrent	17800000	USD
CY2020Q3	us-gaap	Interest Payable Current InterestPayableCurrent	14900000	USD
CY2021Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	188400000	USD
CY2020Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	79800000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	89900000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	89700000	USD
CY2021Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	93600000	USD
CY2020Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	88500000	USD
CY2021Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	484400000	USD
CY2020Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	376500000	USD
CY2021	rok	Product Warranty Period ProductWarrantyPeriod	P12M
CY2020Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	20800000	USD
CY2020	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-5700000	USD
CY2019	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	1200000	USD
CY2019Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	25200000	USD
CY2021	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	17300000	USD
CY2020	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	17800000	USD
CY2021	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-6200000	USD
CY2020	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-1600000	USD
CY2021	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	13900000	USD
CY2020	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	20600000	USD
CY2021Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	18000000.0	USD
CY2020Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	20800000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	600000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	600000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1267600000	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	6100000	shares
CY2020Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	875300000	USD
CY2021Q3	us-gaap	Other Investments OtherInvestments	95900000	USD
CY2020Q3	us-gaap	Other Investments OtherInvestments	78200000	USD
CY2021Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	1364100000	USD
CY2020Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	954100000	USD
CY2021Q3	us-gaap	Short Term Investments ShortTermInvestments	600000	USD
CY2020Q3	us-gaap	Short Term Investments ShortTermInvestments	600000	USD
CY2021Q3	us-gaap	Long Term Investments LongTermInvestments	1363500000	USD
CY2020Q3	us-gaap	Long Term Investments LongTermInvestments	953500000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1267600000	USD
CY2021	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge1 MaximumLengthOfTimeHedgedInCashFlowHedge1	P2Y
CY2021	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	900000	shares
CY2021	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	-24300000	USD
CY2020	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	15400000	USD
CY2019	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	16700000	USD
CY2021Q3	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months	100000	USD
CY2021	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-8300000	USD
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000000000000	shares
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2021Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	16000000	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	116200000	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	115700000	shares
CY2018Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	121000000.0	shares
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1100000	shares
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1400000	shares
CY2020	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	1900000	shares
CY2019	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	800000	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	116000000.0	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	116200000	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	115700000	shares
CY2021	rok	Stock Repurchased During Period Value Outstanding StockRepurchasedDuringPeriodValueOutstanding	1800000	USD
CY2020	rok	Stock Repurchased During Period Value Outstanding StockRepurchasedDuringPeriodValueOutstanding	0	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	51700000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	46100000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	43100000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	8600000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	7700000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	6900000	USD
CY2021Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	69000000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3404000	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	164.81
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	196000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	246.87
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	985000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	156.98
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	118000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	191.64
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	1000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	191.15
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2496000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	173.07
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y7M6D
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	302000000.0	USD
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1470000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	155.05
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y7M6D
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	204300000	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	58500000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	50900000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	53100000	USD
CY2021Q3	rok	Defined Benefit Plan Percentage Of Benefit Obligation Relatingto Domestic Plan DefinedBenefitPlanPercentageOfBenefitObligationRelatingtoDomesticPlan	0.75
CY2021	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	35800000	USD
CY2021	rok	Defined Benefit Plan Amortization Of Prior Service Cost Credit Net Of Tax DefinedBenefitPlanAmortizationOfPriorServiceCostCreditNetOfTax	29900000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-142500000	USD
CY2021	rok	Defined Benefit Plan Amortization Of Gains Losses Net Of Tax DefinedBenefitPlanAmortizationOfGainsLossesNetOfTax	-108300000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	4393000000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	4638100000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	4210500000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	4482000000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	3532400000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	3265200000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	3510700000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	4113400000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	3156700000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	3265200000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	4192200000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	3838000000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	25700000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-154700000	USD
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	1600000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	5500000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	11100000	USD
CY2021	us-gaap	Royalty Income Nonoperating RoyaltyIncomeNonoperating	10200000	USD
CY2020	us-gaap	Royalty Income Nonoperating RoyaltyIncomeNonoperating	8900000	USD
CY2019	us-gaap	Royalty Income Nonoperating RoyaltyIncomeNonoperating	10200000	USD
CY2021	rok	Legacy Product Liabilityand Environmental Charges LegacyProductLiabilityandEnvironmentalCharges	10600000	USD
CY2020	rok	Legacy Product Liabilityand Environmental Charges LegacyProductLiabilityandEnvironmentalCharges	14500000	USD
CY2019	rok	Legacy Product Liabilityand Environmental Charges LegacyProductLiabilityandEnvironmentalCharges	22100000	USD
CY2021	rok	Non Operating Pension And Postretirement Benefit Credit Cost NonOperatingPensionAndPostretirementBenefitCreditCost	63800000	USD
CY2020	rok	Non Operating Pension And Postretirement Benefit Credit Cost NonOperatingPensionAndPostretirementBenefitCreditCost	37400000	USD
CY2019	rok	Non Operating Pension And Postretirement Benefit Credit Cost NonOperatingPensionAndPostretirementBenefitCreditCost	-8400000	USD
CY2021	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	-70000000.0	USD
CY2020	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	0	USD
CY2019	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	0	USD
CY2021	rok	Other Income Expense Other OtherIncomeExpenseOther	1700000	USD
CY2020	rok	Other Income Expense Other OtherIncomeExpenseOther	-7800000	USD
CY2019	rok	Other Income Expense Other OtherIncomeExpenseOther	1500000	USD
CY2021	rok	Other Income Expense OtherIncomeExpense	5700000	USD
CY2020	rok	Other Income Expense OtherIncomeExpense	-29700000	USD
CY2019	rok	Other Income Expense OtherIncomeExpense	6100000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	885100000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	556200000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	13900000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	280800000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	641100000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	579900000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	620200000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1526200000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1136100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	901000000.0	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	149600000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	68100000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	105600000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	190700000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	96600000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	112100000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16500000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	366000000.0	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	234200000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	178600000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-32800000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-27000000.0	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-19000000.0	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-24700000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-100000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-10400000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-8200000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1900000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-184100000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-65700000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-29000000.0	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181900000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	112900000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	205200000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	329300000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	187900000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	293300000	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
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	0.008
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.001
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.038
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.050
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.048
CY2021	rok	Effective Income Tax Reconciliation Repatriationof Foreign Earningsand Deemed Income Netof Related Credits Percentage EffectiveIncomeTaxReconciliationRepatriationofForeignEarningsandDeemedIncomeNetofRelatedCreditsPercentage	0.009
CY2020	rok	Effective Income Tax Reconciliation Repatriationof Foreign Earningsand Deemed Income Netof Related Credits Percentage EffectiveIncomeTaxReconciliationRepatriationofForeignEarningsandDeemedIncomeNetofRelatedCreditsPercentage	0.013
CY2019	rok	Effective Income Tax Reconciliation Repatriationof Foreign Earningsand Deemed Income Netof Related Credits Percentage EffectiveIncomeTaxReconciliationRepatriationofForeignEarningsandDeemedIncomeNetofRelatedCreditsPercentage	0.028
CY2021	rok	Effectiveincometaxratereconciliationforeignderivedintangibleincome Effectiveincometaxratereconciliationforeignderivedintangibleincome	-0.028
CY2020	rok	Effectiveincometaxratereconciliationforeignderivedintangibleincome Effectiveincometaxratereconciliationforeignderivedintangibleincome	-0.010
CY2019	rok	Effectiveincometaxratereconciliationforeignderivedintangibleincome Effectiveincometaxratereconciliationforeignderivedintangibleincome	-0.016
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.002
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0
CY2021	rok	Effective Income Tax Rate Reconciliation Business Combination Percent EffectiveIncomeTaxRateReconciliationBusinessCombinationPercent	0.001
CY2020	rok	Effective Income Tax Rate Reconciliation Business Combination Percent EffectiveIncomeTaxRateReconciliationBusinessCombinationPercent	-0.011
CY2019	rok	Effective Income Tax Rate Reconciliation Business Combination Percent EffectiveIncomeTaxRateReconciliationBusinessCombinationPercent	0
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	-0.027
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.076
CY2021	rok	Effective Income Tax Rate Reconciliation Excess Income Tax Benefitfrom Sharebased Compensation EffectiveIncomeTaxRateReconciliationExcessIncomeTaxBenefitfromSharebasedCompensation	-0.011
CY2020	rok	Effective Income Tax Rate Reconciliation Excess Income Tax Benefitfrom Sharebased Compensation EffectiveIncomeTaxRateReconciliationExcessIncomeTaxBenefitfromSharebasedCompensation	-0.019
CY2019	rok	Effective Income Tax Rate Reconciliation Excess Income Tax Benefitfrom Sharebased Compensation EffectiveIncomeTaxRateReconciliationExcessIncomeTaxBenefitfromSharebasedCompensation	-0.009
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.006
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.011
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.012
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.005
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2021Q3	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	15300000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.119
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.099
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.228
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.017
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2021	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	61200000	USD
CY2021	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.52
CY2020	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	59100000	USD
CY2020	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.51
CY2019	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	55100000	USD
CY2019	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.46
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	41700000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	6000000.0	USD
CY2021Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	12800000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	10500000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	37500000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	34500000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	153100000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	306800000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Contingencies DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies	22800000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Contingencies DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies	23800000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	18500000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	18600000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	250200000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	68400000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	0	USD
CY2020Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	31600000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	130400000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	31100000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	20300000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	17300000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	10800000	USD
CY2021Q3	rok	Deferred Tax Assets Miscellaneous Other DeferredTaxAssetsMiscellaneousOther	23700000	USD
CY2020Q3	rok	Deferred Tax Assets Miscellaneous Other DeferredTaxAssetsMiscellaneousOther	16800000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	726300000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	576200000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	32600000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	58000000.0	USD
CY2021Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	693700000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	518200000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	43700000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	48000000.0	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	160500000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	25300000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	64300000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	0	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	42000000.0	USD
CY2021Q3	rok	Deferred Tax Asset Carryforwards Tax Benefit Valuation Allowance Total DeferredTaxAssetCarryforwardsTaxBenefitValuationAllowanceTotal	32600000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	28300000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2300000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1000000.0	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	312800000	USD
CY2020Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	102600000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	380900000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	415600000	USD
CY2021Q3	rok	Deferred Tax Assets Carryforwards Tax Benefitsubtotal DeferredTaxAssetsCarryforwardsTaxBenefitsubtotal	166000000.0	USD
CY2021Q3	rok	Deferred Tax Asset Carryforwards Tax Benefit Valuation Allowancesubtotal DeferredTaxAssetCarryforwardsTaxBenefitValuationAllowancesubtotal	27100000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5500000	USD
CY2021Q3	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	5500000	USD
CY2021Q3	rok	Deferred Tax Assets Carryforwards Tax Benefit And Other DeferredTaxAssetsCarryforwardsTaxBenefitAndOther	171500000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	25500000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19900000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20100000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	100000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	400000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	5600000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	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	0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	18100000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3600000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	200000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	0	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4300000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	25500000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19900000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4300000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	25500000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19900000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1500000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	4000000	USD
CY2021	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-2500000	USD
CY2020	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	700000	USD
CY2019	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	800000	USD
CY2021Q3	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	4200000	USD
CY2021Q3	rok	Significant Changein Unrecognized Tax Benefitsis Reasonably Possible Estimated Rangeof Change Upper Bound Net Impacton Tax Provision SignificantChangeinUnrecognizedTaxBenefitsisReasonablyPossibleEstimatedRangeofChangeUpperBoundNetImpactonTaxProvision	5700000	USD
CY2021	us-gaap	Tax Cuts And Jobs Act Of2017 Transition Tax For Accumulated Foreign Earnings Income Tax Expense TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense	264800000	USD
CY2020	us-gaap	Tax Cuts And Jobs Act Of2017 Transition Tax For Accumulated Foreign Earnings Income Tax Expense TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense	296000000	USD
CY2021	rok	Number Of Superfund Sites Designated Potentially Responsible Party At NumberOfSuperfundSitesDesignatedPotentiallyResponsiblePartyAt	14	site
CY2021Q3	rok	Accrual For Environmental Loss Contingencies Netof Related Receivables AccrualForEnvironmentalLossContingenciesNetofRelatedReceivables	53600000	USD
CY2020Q3	rok	Accrual For Environmental Loss Contingencies Netof Related Receivables AccrualForEnvironmentalLossContingenciesNetofRelatedReceivables	59200000	USD
CY2021Q3	rok	Asset Retirement Obligation Netof Recoveries AssetRetirementObligationNetofRecoveries	23600000	USD
CY2020Q3	rok	Asset Retirement Obligation Netof Recoveries AssetRetirementObligationNetofRecoveries	22800000	USD
CY2020Q4	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	70000000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	109800000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	104600000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	15800000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	15600000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1700000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1300000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	400000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	400000	USD
CY2021	us-gaap	Lease Cost LeaseCost	127700000	USD
CY2020	us-gaap	Lease Cost LeaseCost	121900000	USD
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	119000000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y9M18D
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y3M18D
CY2021Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y3M18D
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M18D
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0179
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0184
CY2021Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0396
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0350
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	5600000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	96200000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	3500000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	81300000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1900000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	62900000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1600000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	45500000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	1600000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	33000000.0	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	2800000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	110100000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	17000000.0	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	429000000.0	USD
CY2021Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	1500000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	25500000	USD
CY2021Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	15500000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	403500000	USD
CY2021Q3	rok	Lessee Operating Lease Lease Not Yet Commenced Liability LesseeOperatingLeaseLeaseNotYetCommencedLiability	24000000	USD
CY2021Q3	rok	Lessee Finance Lease Lease Not Yet Commenced Liability LesseeFinanceLeaseLeaseNotYetCommencedLiability	10000000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	108500000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	103600000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	400000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	400000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1800000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1200000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	90600000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	131200000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	900000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2021	rok	Purchase Accounting Depreciation And Amortization PurchaseAccountingDepreciationAndAmortization	55100000	USD
CY2020	rok	Purchase Accounting Depreciation And Amortization PurchaseAccountingDepreciationAndAmortization	41400000	USD
CY2019	rok	Purchase Accounting Depreciation And Amortization PurchaseAccountingDepreciationAndAmortization	16600000	USD
CY2021	rok	General Corporate Net GeneralCorporateNet	120600000	USD
CY2020	rok	General Corporate Net GeneralCorporateNet	98900000	USD
CY2019	rok	General Corporate Net GeneralCorporateNet	108800000	USD
CY2021	rok	Non Operating Pension Cost NonOperatingPensionCost	63800000	USD
CY2020	rok	Non Operating Pension Cost NonOperatingPensionCost	37400000	USD
CY2019	rok	Non Operating Pension Cost NonOperatingPensionCost	-8400000	USD
CY2021	rok	Equity Securities Fvni Unrealized Gain Loss Loss On Investment EquitySecuritiesFVNIUnrealizedGainLossLossOnInvestment	397400000	USD
CY2020	rok	Equity Securities Fvni Unrealized Gain Loss Loss On Investment EquitySecuritiesFVNIUnrealizedGainLossLossOnInvestment	153900000	USD
CY2019	rok	Equity Securities Fvni Unrealized Gain Loss Loss On Investment EquitySecuritiesFVNIUnrealizedGainLossLossOnInvestment	-402200000	USD
CY2021	rok	Equity Securities Fvni Unrealized Gain Loss Valuation Adjustment EquitySecuritiesFVNIUnrealizedGainLossValuationAdjustment	0	USD
CY2020	rok	Equity Securities Fvni Unrealized Gain Loss Valuation Adjustment EquitySecuritiesFVNIUnrealizedGainLossValuationAdjustment	0	USD
CY2019	rok	Equity Securities Fvni Unrealized Gain Loss Valuation Adjustment EquitySecuritiesFVNIUnrealizedGainLossValuationAdjustment	33700000	USD
CY2021	rok	Legal Settlement LegalSettlement	70000000.0	USD
CY2020	rok	Legal Settlement LegalSettlement	0	USD
CY2019	rok	Legal Settlement LegalSettlement	0	USD
CY2021	us-gaap	Interest Revenue Expense Net InterestRevenueExpenseNet	-93000000.0	USD
CY2020	us-gaap	Interest Revenue Expense Net InterestRevenueExpenseNet	-98000000.0	USD
CY2019	us-gaap	Interest Revenue Expense Net InterestRevenueExpenseNet	-87100000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1526200000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1136100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	901000000.0	USD
CY2020Q4	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	70000000	USD
CY2021Q3	us-gaap	Assets Assets	10701600000	USD
CY2020Q3	us-gaap	Assets Assets	7264700000	USD
CY2019Q3	us-gaap	Assets Assets	6113000000	USD
CY2021	rok	Purchase Accounting Depreciation And Amortization PurchaseAccountingDepreciationAndAmortization	55100000	USD
CY2020	rok	Purchase Accounting Depreciation And Amortization PurchaseAccountingDepreciationAndAmortization	41400000	USD
CY2019	rok	Purchase Accounting Depreciation And Amortization PurchaseAccountingDepreciationAndAmortization	16600000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	189800000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	172700000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	152200000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	120300000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	113900000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	132800000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6997400000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6329800000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6694800000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	581900000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	574400000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	571900000	USD
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment

Files In Submission

Name	View Source	Status
0001024478-21-000083-index-headers.html	Edgar Link	pending
0001024478-21-000083-index.html	Edgar Link	pending
0001024478-21-000083.txt	Edgar Link	pending
0001024478-21-000083-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R102.htm	Edgar Link	pending
R103.htm	Edgar Link	pending
R104.htm	Edgar Link	pending
R105.htm	Edgar Link	pending
R106.htm	Edgar Link	pending
R107.htm	Edgar Link	pending
R108.htm	Edgar Link	pending
R109.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R110.htm	Edgar Link	pending
R111.htm	Edgar Link	pending
R112.htm	Edgar Link	pending
R113.htm	Edgar Link	pending
R114.htm	Edgar Link	pending
R115.htm	Edgar Link	pending
R116.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
rok-20210930.htm	Edgar Link	pending
rok-20210930.xsd	Edgar Link	pending
rok-20210930_cal.xml	Edgar Link	unprocessable
rok-20210930_def.xml	Edgar Link	unprocessable
rok-20210930_g1.jpg	Edgar Link	pending
rok-20210930_htm.xml	Edgar Link	completed
rok-20210930_lab.xml	Edgar Link	unprocessable
rok-20210930_pre.xml	Edgar Link	unprocessable
rok10k2021ex10-ax7.htm	Edgar Link	pending
rok10k2021ex10-ex6.htm	Edgar Link	pending
rok10k2021ex21.htm	Edgar Link	pending
rok10k2021ex23.htm	Edgar Link	pending
rok10k2021ex24.htm	Edgar Link	pending
rok10k2021ex311.htm	Edgar Link	pending
rok10k2021ex312.htm	Edgar Link	pending
rok10k2021ex321.htm	Edgar Link	pending
rok10k2021ex322.htm	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$ROK
ROCKWELL AUTOMATION, INC Stock $rok

2021 Q3 Form 10-K Financial Statement

#000102447821000083 Filed on November 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ROK ROCKWELL AUTOMATION, INC Stock $rok

2021 Q3 Form 10-K Financial Statement

#000102447821000083 Filed on November 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ROK
ROCKWELL AUTOMATION, INC Stock $rok