$ITT
ITT INC. Stock $itt

$itt Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000021622821000005 Filed on February 19, 2021

Income Statement

Concept	2019 Q4	2018 Q4	2018
Revenue	$719.1M	$678.4M	$2.745B
YoY Change	6.0%	-0.76%	6.18%
Cost Of Revenue	$491.1M	$467.9M	$1.858B
YoY Change	4.96%	-1.18%	5.24%
Gross Profit	$228.0M	$210.5M	$887.2M
YoY Change	8.31%	0.19%	8.21%
Gross Profit Margin	31.71%	31.03%	32.32%
Selling, General & Admin	$108.0M	$101.6M	$422.1M
YoY Change	6.3%	12.51%	-1.36%
% of Gross Profit	47.37%	48.27%	47.58%
Research & Development	$24.80M	$23.70M	$98.40M
YoY Change	4.64%	-6.32%	5.24%
% of Gross Profit	10.88%	11.26%	11.09%
Depreciation & Amortization	$32.30M	$26.90M	$109.4M
YoY Change	20.07%	-2.89%	3.89%
% of Gross Profit	14.17%	12.78%	12.33%
Operating Expenses	$132.8M	$125.3M	$520.5M
YoY Change	5.99%	8.39%	-0.17%
Operating Profit	$95.20M	$85.20M	$397.3M
YoY Change	11.74%	-9.84%	24.43%
Interest Expense	$1.700M	-$2.300M	$0.00
YoY Change	-173.91%	-76.53%
% of Operating Profit	1.79%	-2.7%	0.0%
Other Income/Expense, Net			$1.300M
YoY Change			-113.0%
Pretax Income	$84.00M	$66.30M	$114.4M
YoY Change	26.7%	-3.07%	28.25%
Income Tax	$16.80M	$18.20M	$57.70M
% Of Pretax Income	20.0%	27.45%	50.44%
Net Earnings	$68.40M	$51.90M	$333.7M
YoY Change	31.79%	-177.23%	194.01%
Net Earnings / Revenue	9.51%	7.65%	12.16%
Basic Earnings Per Share			$3.81
Diluted Earnings Per Share	$772.0K	$585.1K	$3.76
COMMON SHARES
Basic Shares Outstanding	87.70M shares	87.60M shares	87.70M shares
Diluted Shares Outstanding			88.70M shares

Balance Sheet

Concept	2019 Q4	2018 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$612.0M	$561.0M	$561.0M
YoY Change	9.09%	43.85%	43.85%
Cash & Equivalents	$612.1M	$561.2M	$561.0M
Short-Term Investments
Other Short-Term Assets	$153.4M	$163.4M	$142.0M
YoY Change	-6.12%	10.85%	-3.4%
Inventory	$392.9M	$380.5M	$381.0M
Prepaid Expenses	$45.40M	$44.50M
Receivables	$569.0M	$535.0M	$535.0M
Other Receivables	$27.00M	$27.00M	$27.00M
Total Short-Term Assets	$1.737B	$1.645B	$1.645B
YoY Change	5.57%	11.25%	11.22%
LONG-TERM ASSETS
Property, Plant & Equipment	$531.5M	$518.8M	$519.0M
YoY Change	2.45%	-0.56%	-0.57%
Goodwill	$927.2M	$875.9M
YoY Change	5.86%	-1.23%
Intangibles	$138.0M	$136.1M
YoY Change	1.4%	-12.87%
Long-Term Investments	$9.800M	$7.700M	$8.000M
YoY Change	27.27%	14.93%	14.29%
Other Assets	$316.5M	$196.8M	$628.0M
YoY Change	60.82%	-3.01%	3.29%
Total Long-Term Assets	$2.371B	$2.202B	$2.202B
YoY Change	7.68%	-0.89%	-0.86%
TOTAL ASSETS
Total Short-Term Assets	$1.737B	$1.645B	$1.645B
Total Long-Term Assets	$2.371B	$2.202B	$2.202B
Total Assets	$4.108B	$3.847B	$3.847B
YoY Change	6.78%	3.96%	3.97%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$332.4M	$339.2M	$339.0M
YoY Change	-2.0%	-3.47%	-3.42%
Accrued Expenses	$430.8M	$416.7M	$203.0M
YoY Change	3.38%	8.4%	0.0%
Deferred Revenue	$57.40M	$61.00M
YoY Change	-5.9%
Short-Term Debt	$86.50M	$116.2M	$114.0M
YoY Change	-25.56%	-28.97%	-29.63%
Long-Term Debt Due	$2.300M	$1.800M	$2.000M
YoY Change	27.78%	100.0%	100.0%
Total Short-Term Liabilities	$849.7M	$872.1M	$872.0M
YoY Change	-2.57%	-3.04%	-3.0%
LONG-TERM LIABILITIES
Long-Term Debt	$12.90M	$8.800M	$9.000M
YoY Change	46.59%	7.32%	12.5%
Other Long-Term Liabilities	$234.7M	$166.5M	$1.116B
YoY Change	40.96%	-5.18%	-5.02%
Total Long-Term Liabilities	$1.180B	$1.150B	$1.125B
YoY Change	2.64%	-4.42%	-4.9%
TOTAL LIABILITIES
Total Short-Term Liabilities	$849.7M	$872.1M	$872.0M
Total Long-Term Liabilities	$1.180B	$1.150B	$1.125B
Total Liabilities	$2.030B	$2.022B	$2.024B
YoY Change	0.4%	-3.83%	-3.8%
SHAREHOLDERS EQUITY
Retained Earnings	$2.372B	$2.110B
YoY Change	12.42%	13.7%
Common Stock	$87.80M	$87.60M
YoY Change	0.23%	-0.68%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.075B	$1.822B	$1.822B
YoY Change
Total Liabilities & Shareholders Equity	$4.108B	$3.847B	$3.847B
YoY Change	6.78%	3.96%	3.97%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018
OPERATING ACTIVITIES
Net Income	$68.40M	$51.90M	$333.7M
YoY Change	31.79%	-177.23%	194.01%
Depreciation, Depletion And Amortization	$32.30M	$26.90M	$109.4M
YoY Change	20.07%	-2.89%	3.89%
Cash From Operating Activities	$135.8M	$122.9M	$367.6M
YoY Change	10.5%	81.27%	50.04%
INVESTING ACTIVITIES
Capital Expenditures	-$22.10M	-$31.70M	-$95.50M
YoY Change	-30.28%	-7.04%	-15.71%
Acquisitions			$0.00
YoY Change			-100.0%
Other Investing Activities	-$500.0K	$500.0K	$0.00
YoY Change	-200.0%	150.0%
Cash From Investing Activities	-$22.60M	-$31.20M	-$52.30M
YoY Change	-27.56%	-7.96%	-76.57%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$50.30M
YoY Change			131.8%
Debt Paid & Issued, Net			$2.700M
YoY Change			107.69%
Cash From Financing Activities	-64.60M	-52.60M	-$128.8M
YoY Change	22.81%	41.4%	14.49%
NET CHANGE
Cash From Operating Activities	135.8M	122.9M	367.6M
Cash From Investing Activities	-22.60M	-31.20M	-$52.30M
Cash From Financing Activities	-64.60M	-52.60M	-$128.8M
Net Change In Cash	48.60M	39.10M	$171.2M
YoY Change	24.3%	-1284.85%	-341.47%
FREE CASH FLOW
Cash From Operating Activities	$135.8M	$122.9M	$367.6M
Capital Expenditures	-$22.10M	-$31.70M	-$95.50M
Free Cash Flow	$157.9M	$154.6M	$463.1M
YoY Change	2.13%	51.72%	29.25%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000216228
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	IN
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	86500000	shares
CY2020Q2	dei	Entity Public Float EntityPublicFloat	5000000000.0	USD
CY2020	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	200000	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-600000	USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	300000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	200000	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y3M18D
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	7400000	USD
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Entity Registrant Name EntityRegistrantName	ITT INC.
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-05672
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	81-1197930
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	1133 Westchester Avenue
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	White Plains
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10604
CY2020	dei	City Area Code CityAreaCode	(914)
CY2020	dei	Local Phone Number LocalPhoneNumber	641-2000
CY2020	dei	Security12b Title Security12bTitle	Common Stock, par value $1 per share
CY2020	dei	Trading Symbol TradingSymbol	ITT
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	5000000000.0	USD
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	86500000	shares
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CY2018	us-gaap	Revenues Revenues	2745100000	USD
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	1695600000	USD
CY2019	us-gaap	Cost Of Revenue CostOfRevenue	1936300000	USD
CY2018	us-gaap	Cost Of Revenue CostOfRevenue	1857900000	USD
CY2020	us-gaap	Gross Profit GrossProfit	782200000	USD
CY2019	us-gaap	Gross Profit GrossProfit	910100000	USD
CY2018	us-gaap	Gross Profit GrossProfit	887200000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	200700000	USD
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CY2020	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	146500000	USD
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	165900000	USD
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CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	84900000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	97900000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	98400000	USD
CY2020	itt	Asbestos Related Costs Net AsbestosRelatedCostsNet	66300000	USD
CY2019	itt	Asbestos Related Costs Net AsbestosRelatedCostsNet	-20200000	USD
CY2018	itt	Asbestos Related Costs Net AsbestosRelatedCostsNet	4900000	USD
CY2020	us-gaap	Restructuring Costs RestructuringCosts	43000000.0	USD
CY2019	us-gaap	Restructuring Costs RestructuringCosts	12800000	USD
CY2018	us-gaap	Restructuring Costs RestructuringCosts	5200000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	16300000	USD
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CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
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CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	700000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	4100000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-500000	USD
CY2020	itt	Non Operating Postretirement Costs NonOperatingPostretirementCosts	144200000	USD
CY2019	itt	Non Operating Postretirement Costs NonOperatingPostretirementCosts	4500000	USD
CY2018	itt	Non Operating Postretirement Costs NonOperatingPostretirementCosts	7100000	USD
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CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	3400000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1300000	USD
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CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	324500000	USD
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CY2020	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	200000	USD
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CY2018	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	300000	USD
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CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	315300000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	306400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1100000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-3900000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-3400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-3300000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1800000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	2400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-7100000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-5600000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-7400000	USD
CY2020	itt	Other Comprehensive Income Loss Amortization Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Settlement Cost Credit Tax Benefit Expense OtherComprehensiveIncomeLossAmortizationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforSettlementCostCreditTaxBenefitExpense	-25700000	USD
CY2019	itt	Other Comprehensive Income Loss Amortization Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Settlement Cost Credit Tax Benefit Expense OtherComprehensiveIncomeLossAmortizationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforSettlementCostCreditTaxBenefitExpense	0.0	USD
CY2018	itt	Other Comprehensive Income Loss Amortization Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Settlement Cost Credit Tax Benefit Expense OtherComprehensiveIncomeLossAmortizationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforSettlementCostCreditTaxBenefitExpense	-400000	USD
CY2020	itt	Other Comprehensive Income Loss Amortization Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Settlement Cost Credit Netof Tax OtherComprehensiveIncomeLossAmortizationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforSettlementCostCreditNetofTax	-111300000	USD
CY2019	itt	Other Comprehensive Income Loss Amortization Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Settlement Cost Credit Netof Tax OtherComprehensiveIncomeLossAmortizationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforSettlementCostCreditNetofTax	0	USD
CY2018	itt	Other Comprehensive Income Loss Amortization Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Settlement Cost Credit Netof Tax OtherComprehensiveIncomeLossAmortizationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforSettlementCostCreditNetofTax	-1300000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0.0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	-100000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	1300000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-7600000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-600000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-200000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-34200000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-2900000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	1736800000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-400000	USD
CY2020	itt	Other Comprehensive Income Defined Benefit Plan Unrealized Foreign Currency Gain Loss Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanUnrealizedForeignCurrencyGainLossNetOfTax	-2900000	USD
CY2019	itt	Other Comprehensive Income Defined Benefit Plan Unrealized Foreign Currency Gain Loss Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanUnrealizedForeignCurrencyGainLossNetOfTax	300000	USD
CY2018	itt	Other Comprehensive Income Defined Benefit Plan Unrealized Foreign Currency Gain Loss Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanUnrealizedForeignCurrencyGainLossNetOfTax	1000000.0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-77400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-6000000.0	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	859800000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	612100000	USD
CY2020Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	507500000	USD
CY2019Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	578400000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	360500000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	392900000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	189500000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	153400000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	1917300000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	525100000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	531500000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	944800000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	927200000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	106400000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	138000000.0	USD
CY2020Q4	itt	Asbestos Related Assets AsbestosRelatedAssets	353700000	USD
CY2019Q4	itt	Asbestos Related Assets AsbestosRelatedAssets	319600000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	158300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	138100000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	272000000.0	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	316500000	USD
CY2020Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	2360300000	USD
CY2019Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	2370900000	USD
CY2020Q4	us-gaap	Assets Assets	4277600000	USD
CY2019Q4	us-gaap	Assets Assets	4107700000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	2029900000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	106800000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	86500000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	306800000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	332400000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	457400000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	430800000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	871000000.0	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	849700000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual Carrying Value Noncurrent LossContingencyAccrualCarryingValueNoncurrent	840600000	USD
CY2019Q4	us-gaap	Loss Contingency Accrual Carrying Value Noncurrent LossContingencyAccrualCarryingValueNoncurrent	731600000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	227500000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	213900000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	210600000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	234700000	USD
CY2020Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	1278700000	USD
CY2019Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	1180200000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	2149700000	USD
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000.0	shares
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	86500000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	87800000	shares
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	86500000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	87800000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2319300000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2372400000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	55900000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	133300000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-223500000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-252000000.0	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2126400000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2074900000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	1500000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	2900000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2127900000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2077800000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4277600000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4107700000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	68500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	323400000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	332400000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112200000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	113400000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	109400000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	13400000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	15700000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	21600000	USD
CY2020	itt	Asbestos Related Costs Net AsbestosRelatedCostsNet	66300000	USD
CY2019	itt	Asbestos Related Costs Net AsbestosRelatedCostsNet	-20200000	USD
CY2018	itt	Asbestos Related Costs Net AsbestosRelatedCostsNet	4900000	USD
CY2020	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-137000000.0	USD
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	0	USD
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-1700000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-43900000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	30900000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14700000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	16300000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1000000.0	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2000000.0	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1000000.0	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	40700000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-45000000.0	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-37800000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-13800000	USD
CY2020	itt	Asbestos Related Payments AsbestosRelatedPayments	9800000	USD
CY2019	itt	Asbestos Related Payments AsbestosRelatedPayments	21600000	USD
CY2018	itt	Asbestos Related Payments AsbestosRelatedPayments	40800000	USD
CY2020	us-gaap	Pension Contributions PensionContributions	18000000.0	USD
CY2019	us-gaap	Pension Contributions PensionContributions	22900000	USD
CY2018	us-gaap	Pension Contributions PensionContributions	11200000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-83300000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	40600000	USD
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	2700000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-36500000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	600000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	13300000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	1000000.0	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-2700000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-19100000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-1900000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-5100000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	100000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-34700000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1900000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-4200000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	4200000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-14700000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5700000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-6200000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-9600000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	14400000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	29300000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	31000000.0	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	23700000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	435900000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	357700000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	371800000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	63700000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	91400000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	95500000	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	1700000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	900000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	43200000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	4700000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	113100000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-900000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-200000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-65800000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-203400000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-52300000	USD
CY2020	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	13100000	USD
CY2019	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-27200000	USD
CY2018	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-44500000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	495800000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	246500000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	524700000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	233800000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1500000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	8100000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3200000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2500000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3200000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2700000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	84200000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	41400000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56100000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	59000000.0	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	52100000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	47300000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4300000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	14900000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5800000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2900000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-600000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	100000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-158600000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-101500000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-128800000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	35200000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-3000000.0	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-15300000	USD
CY2020	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	1000000.0	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	900000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-4200000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	247700000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	50700000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	171200000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	800000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1000000.0	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1200000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	612900000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	562200000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	391000000.0	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	800000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	800000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1000000.0	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	860600000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	612900000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	562200000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	3300000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	2500000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	3300000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	61100000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	63400000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	53500000	USD
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	88200000	shares
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1856100000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1597800000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	27500000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	56100000	USD
CY2018	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	-4100000	USD
CY2018	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	334600000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.536
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	47400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-27300000	USD
CY2018	itt	Chane In Equity From Noncontrolling Interest Attributable To Other ChaneInEquityFromNoncontrollingInterestAttributableToOther	-100000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1824900000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	30600000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	41400000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	326200000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.588
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	52000000.0	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-9800000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2077800000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	17700000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	84200000	USD
CY2020	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	-1200000	USD
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	73900000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.676
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	58900000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	900000	USD
CY2020	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	2200000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	105900000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2127900000	USD
CY2020	itt	Measurement Period For Expected Return On Plan Assets MeasurementPeriodForExpectedReturnOnPlanAssets	P5Y
CY2020	itt	Research And Development Expense Percentage Of Sales ResearchAndDevelopmentExpensePercentageOfSales	0.034
CY2018	itt	Research And Development Expense Percentage Of Sales ResearchAndDevelopmentExpensePercentageOfSales	0.036
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	800000	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Concentrations of Credit Risk</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject ITT to significant concentrations of credit risk consist principally of cash and cash equivalents, accounts receivable from trade customers, investments, and derivatives. We maintain cash and cash equivalents with various financial institutions located in different geographical regions, and our policy is designed to limit exposure to any individual counterparty. As part of our risk management processes, we perform periodic evaluations of the relative credit standing of the financial institutions. We have not sustained any material credit losses during the previous three years from financial instruments held at financial institutions.</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Credit risk with respect to accounts receivable is generally diversified due to the large number of entities comprising ITT’s customer base and their dispersion across many different industries and geographic regions. However, our largest customer represents approximately 12% and 13% of the December 31, 2020 and 2019 outstanding trade accounts receivable balance, respectively. ITT performs ongoing credit evaluations of the financial condition of its third-party distributors, resellers and other customers and requires collateral, such as letters of credit and bank guarantees, in certain circumstances.</span></div>
CY2020Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.125
CY2019Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.145
CY2020Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	12000000.0	USD
CY2019Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	12400000	USD
CY2020	us-gaap	Maturities Of Time Deposits Description MaturitiesOfTimeDepositsDescription	original maturity exceeding three months at the time of purchase, referred to as short-term time deposits, are classified as held-to-maturity and are recorded at amortized cost, which approximates fair value.
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2020Q4	itt	Investments In Corporate Owned Life Insurance InvestmentsInCorporateOwnedLifeInsurance	113700000	USD
CY2019Q4	itt	Investments In Corporate Owned Life Insurance InvestmentsInCorporateOwnedLifeInsurance	109100000	USD
CY2020	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	4300000	USD
CY2019	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	4800000	USD
CY2018	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2800000	USD
CY2020	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	4000000.0	USD
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	12300000	USD
CY2020	itt	Maximum Measurement Period To Record Fair Value Changes As Adjustment To Associated Goodwill From Date Of Acquisition MaximumMeasurementPeriodToRecordFairValueChangesAsAdjustmentToAssociatedGoodwillFromDateOfAcquisition	P12M
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-7600000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2700000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1200000	USD
CY2020	us-gaap	Related Party Costs RelatedPartyCosts	200000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	Segment
CY2020	us-gaap	Revenues Revenues	2477800000	USD
CY2019	us-gaap	Revenues Revenues	2846400000	USD
CY2018	us-gaap	Revenues Revenues	2745100000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	226500000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	411400000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	397300000	USD
CY2020	itt	Operating Margin OperatingMargin	0.091
CY2019	itt	Operating Margin OperatingMargin	0.145
CY2018	itt	Operating Margin OperatingMargin	0.145
CY2020Q4	us-gaap	Assets Assets	4277600000	USD
CY2019Q4	us-gaap	Assets Assets	4107700000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	63700000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	91400000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	95500000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112200000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	113400000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	109400000	USD
CY2020	us-gaap	Revenues Revenues	2477800000	USD
CY2019	us-gaap	Revenues Revenues	2846400000	USD
CY2018	us-gaap	Revenues Revenues	2745100000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	525100000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	531500000	USD
CY2020	us-gaap	Revenues Revenues	2477800000	USD
CY2019	us-gaap	Revenues Revenues	2846400000	USD
CY2018	us-gaap	Revenues Revenues	2745100000	USD
CY2020	itt	Maximum Percentage Of Revenue For Which Individual Customer Accounts For MaximumPercentageOfRevenueForWhichIndividualCustomerAccountsFor	0.091
CY2019	itt	Maximum Percentage Of Revenue For Which Individual Customer Accounts For MaximumPercentageOfRevenueForWhichIndividualCustomerAccountsFor	0.098
CY2018	itt	Maximum Percentage Of Revenue For Which Individual Customer Accounts For MaximumPercentageOfRevenueForWhichIndividualCustomerAccountsFor	0.107
CY2020	itt	Serviceand Repair Revenue Percentageof Total ServiceandRepairRevenuePercentageofTotal	0.04
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	19100000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	18000000.0	USD
CY2020	itt	Current Contract Assets Percentage Changefrom Prior Period CurrentContractAssetsPercentageChangefromPriorPeriod	0.061
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	56200000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	57400000	USD
CY2020	itt	Current Contract Liabilities Percentage Changefrom Prior Period CurrentContractLiabilitiesPercentageChangefromPriorPeriod	-0.021
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	100000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	0	USD
CY2020	itt	Noncurrent Contract Liabilities Percentage Change From Prior Period NoncurrentContractLiabilitiesPercentageChangeFromPriorPeriod	0
CY2020Q4	itt	Net Contract Liabilities NetContractLiabilities	37200000	USD
CY2019Q4	itt	Net Contract Liabilities NetContractLiabilities	39400000	USD
CY2020	itt	Net Contract Liability Percentage Changefrom Prior Period NetContractLiabilityPercentageChangefromPriorPeriod	-0.056
CY2020	itt	Net Contract Liability Changefrom Prior Year NetContractLiabilityChangefromPriorYear	2200000	USD
CY2020	itt	Net Contract Liability Percentage Changefrom Prior Period NetContractLiabilityPercentageChangefromPriorPeriod	-0.056
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	51100000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	777200000	USD
CY2020Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	6500000	USD
CY2019Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	8100000	USD
CY2020	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	1600000	USD
CY2019	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	1300000	USD
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	41500000	USD
CY2019	us-gaap	Severance Costs1 SeveranceCosts1	12400000	USD
CY2018	us-gaap	Severance Costs1 SeveranceCosts1	4500000	USD
CY2020	us-gaap	Other Restructuring Costs OtherRestructuringCosts	1500000	USD
CY2019	us-gaap	Other Restructuring Costs OtherRestructuringCosts	400000	USD
CY2018	us-gaap	Other Restructuring Costs OtherRestructuringCosts	700000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	43000000.0	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	12800000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	5200000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	7500000	USD
CY2018Q4	us-gaap	Restructuring Reserve RestructuringReserve	6700000	USD
CY2020	itt	Restructuring Costs Gross Before Prior Accrual Adjustments RestructuringCostsGrossBeforePriorAccrualAdjustments	44100000	USD
CY2019	itt	Restructuring Costs Gross Before Prior Accrual Adjustments RestructuringCostsGrossBeforePriorAccrualAdjustments	13400000	USD
CY2020	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-1100000	USD
CY2019	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-600000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	33000000.0	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	11700000	USD
CY2020	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	1600000	USD
CY2019	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	-300000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	19100000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	7500000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9900000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-124300000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	143900000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	114400000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	209500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	270500000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	276600000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	85200000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	414400000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	391000000.0	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-200000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2500000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	19300000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9400000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6300000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-1500000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	500000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7900000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	50800000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	49100000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	58200000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	59200000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	59000000.0	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	72400000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-36600000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	10100000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	7400000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-4800000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1500000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-21900000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-43900000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	30900000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14700000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15300000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	89900000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57700000	USD
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.180	Rate
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.217	Rate
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.148	Rate
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	Rate
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	Rate
CY2020	itt	Effective Income Tax Rate Reconciliation Tax On Undistributed Of Foreign Earnings EffectiveIncomeTaxRateReconciliationTaxOnUndistributedOfForeignEarnings	0.074	Rate
CY2019	itt	Effective Income Tax Rate Reconciliation Tax On Undistributed Of Foreign Earnings EffectiveIncomeTaxRateReconciliationTaxOnUndistributedOfForeignEarnings	0.018	Rate
CY2018	itt	Effective Income Tax Rate Reconciliation Tax On Undistributed Of Foreign Earnings EffectiveIncomeTaxRateReconciliationTaxOnUndistributedOfForeignEarnings	-0.012	Rate
CY2020	itt	Effective Income Tax Reconciliation Pension Settlement Aoci Expense EffectiveIncomeTaxReconciliationPensionSettlementAOCIExpense	0.059	Rate
CY2019	itt	Effective Income Tax Reconciliation Pension Settlement Aoci Expense EffectiveIncomeTaxReconciliationPensionSettlementAOCIExpense	0	Rate
CY2018	itt	Effective Income Tax Reconciliation Pension Settlement Aoci Expense EffectiveIncomeTaxReconciliationPensionSettlementAOCIExpense	0	Rate
CY2020	itt	Effective Income Tax Reconciliation Non U.S.Prior Year Income Taxes Italian Patent Box EffectiveIncomeTaxReconciliationNonU.S.PriorYearIncomeTaxesItalianPatentBox	-0.056	Rate
CY2019	itt	Effective Income Tax Reconciliation Non U.S.Prior Year Income Taxes Italian Patent Box EffectiveIncomeTaxReconciliationNonU.S.PriorYearIncomeTaxesItalianPatentBox	-0.012	Rate
CY2018	itt	Effective Income Tax Reconciliation Non U.S.Prior Year Income Taxes Italian Patent Box EffectiveIncomeTaxReconciliationNonU.S.PriorYearIncomeTaxesItalianPatentBox	-0.010	Rate
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.054	Rate
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.001	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.003	Rate
CY2020	itt	Effective Income Tax Reconciliation Non U.S.Prior Year Income Taxes Italian Patent Box Descrete Benefit Relatingto Prior Years EffectiveIncomeTaxReconciliationNonU.S.PriorYearIncomeTaxesItalianPatentBoxDescreteBenefitRelatingtoPriorYears	-0.036	Rate
CY2019	itt	Effective Income Tax Reconciliation Non U.S.Prior Year Income Taxes Italian Patent Box Descrete Benefit Relatingto Prior Years EffectiveIncomeTaxReconciliationNonU.S.PriorYearIncomeTaxesItalianPatentBoxDescreteBenefitRelatingtoPriorYears	-0.011	Rate
CY2018	itt	Effective Income Tax Reconciliation Non U.S.Prior Year Income Taxes Italian Patent Box Descrete Benefit Relatingto Prior Years EffectiveIncomeTaxReconciliationNonU.S.PriorYearIncomeTaxesItalianPatentBoxDescreteBenefitRelatingtoPriorYears	-0.006	Rate
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.024	Rate
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.007	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.015	Rate
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.016	Rate
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.028	Rate
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CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.015	Rate
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.005	Rate
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CY2020	itt	Effective Income Tax Rate Reconciliation Tax On Foreign Earnings EffectiveIncomeTaxRateReconciliationTaxOnForeignEarnings	-0.002	Rate
CY2019	itt	Effective Income Tax Rate Reconciliation Tax On Foreign Earnings EffectiveIncomeTaxRateReconciliationTaxOnForeignEarnings	0	Rate
CY2018	itt	Effective Income Tax Rate Reconciliation Tax On Foreign Earnings EffectiveIncomeTaxRateReconciliationTaxOnForeignEarnings	0.005	Rate
CY2020	itt	Effective Income Tax Rate On Permanent Items EffectiveIncomeTaxRateOnPermanentItems	-0.001	Rate
CY2019	itt	Effective Income Tax Rate On Permanent Items EffectiveIncomeTaxRateOnPermanentItems	-0.010	Rate
CY2018	itt	Effective Income Tax Rate On Permanent Items EffectiveIncomeTaxRateOnPermanentItems	0.004	Rate
CY2020	itt	Effective Income Tax Rate Reconciliation Tax Benefit From Foreign Permanent Items EffectiveIncomeTaxRateReconciliationTaxBenefitFromForeignPermanentItems	0	Rate
CY2019	itt	Effective Income Tax Rate Reconciliation Tax Benefit From Foreign Permanent Items EffectiveIncomeTaxRateReconciliationTaxBenefitFromForeignPermanentItems	0	Rate
CY2018	itt	Effective Income Tax Rate Reconciliation Tax Benefit From Foreign Permanent Items EffectiveIncomeTaxRateReconciliationTaxBenefitFromForeignPermanentItems	-0.058	Rate
CY2020	itt	Effective Income Tax Rate Reconciliation Changein Enacted Tax Rate One Time Taxon Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxRateOneTimeTaxonForeignEarningsPercent	0	Rate
CY2019	itt	Effective Income Tax Rate Reconciliation Changein Enacted Tax Rate One Time Taxon Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxRateOneTimeTaxonForeignEarningsPercent	0	Rate
CY2018	itt	Effective Income Tax Rate Reconciliation Changein Enacted Tax Rate One Time Taxon Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxRateOneTimeTaxonForeignEarningsPercent	-0.010	Rate
CY2020	itt	Federaldeferredtaxesremeasurement Tax Act FederaldeferredtaxesremeasurementTaxAct	0	Rate
CY2019	itt	Federaldeferredtaxesremeasurement Tax Act FederaldeferredtaxesremeasurementTaxAct	0	Rate
CY2018	itt	Federaldeferredtaxesremeasurement Tax Act FederaldeferredtaxesremeasurementTaxAct	0.004	Rate
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.021	Rate
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.009	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004	Rate
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.180	Rate
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.217	Rate
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.148	Rate
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	22900000	USD
CY2020	itt	Tax Benefit Cares Act TaxBenefitCARESAct	10700000	USD
CY2020Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	913700000	USD
CY2020Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	240900000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	128600000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	139800000	USD
CY2020Q4	itt	Deferred Tax Assets Asbestos DeferredTaxAssetsAsbestos	116700000	USD
CY2019Q4	itt	Deferred Tax Assets Asbestos DeferredTaxAssetsAsbestos	101500000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	64700000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	59300000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	3400000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	2500000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	27000000.0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	20500000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	399700000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	369700000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	123000000.0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	129800000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	276700000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	239900000	USD
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CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	43000000.0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	49200000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	33800000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	30300000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	26900000	USD
CY2020Q4	itt	Deferred Tax Liabilities Investment DeferredTaxLiabilitiesInvestment	-500000	USD
CY2019Q4	itt	Deferred Tax Liabilities Investment DeferredTaxLiabilitiesInvestment	200000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	119900000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	103900000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	156800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	136000000.0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	156800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	136000000.0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	170000000.0	USD
CY2018	itt	Deferred Tax Asset Valuation Allowance Changein Assessment DeferredTaxAssetValuationAllowanceChangeinAssessment	-22900000	USD
CY2018	itt	Deferred Tax Asset Valuation Allowance Current Year Operations DeferredTaxAssetValuationAllowanceCurrentYearOperations	-6100000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	141000000.0	USD
CY2019	itt	Deferred Tax Asset Valuation Allowance Changein Assessment DeferredTaxAssetValuationAllowanceChangeinAssessment	5600000	USD
CY2019	itt	Deferred Tax Asset Valuation Allowance Current Year Operations DeferredTaxAssetValuationAllowanceCurrentYearOperations	-16800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	129800000	USD
CY2020	itt	Deferred Tax Asset Valuation Allowance Changein Assessment DeferredTaxAssetValuationAllowanceChangeinAssessment	-6200000	USD
CY2020	itt	Deferred Tax Asset Valuation Allowance Current Year Operations DeferredTaxAssetValuationAllowanceCurrentYearOperations	-600000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	123000000.0	USD
CY2020Q4	itt	Amount Of Net Operating Loss Carryforwards That Do Not Expire AmountOfNetOperatingLossCarryforwardsThatDoNotExpire	224900000	USD
CY2020	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	3000000.0	USD
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	4600000	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	46200000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	45800000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	51900000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	900000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1500000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1500000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	300000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	300000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	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	100000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	200000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4700000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1200000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1900000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1200000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	100000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	5500000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	41500000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	46200000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	45800000	USD
CY2020Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	15000000	USD
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CY2019	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	-300000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	-900000	USD
CY2020Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	900000	USD
CY2019Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	2900000	USD
CY2018Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	3200000	USD
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CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	600000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	900000	shares
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CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87300000	shares
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CY2019Q4	us-gaap	Other Receivables OtherReceivables	21200000	USD
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CY2019Q4	itt	Receivables Gross Current ReceivablesGrossCurrent	589700000	USD
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CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	15100000	USD
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CY2017Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	16100000	USD
CY2020	itt	Impact Of Adoption Of Asu201613 ImpactOfAdoptionOfASU201613	1700000	USD
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CY2018	itt	Impact Of Adoption Of Asu201613 ImpactOfAdoptionOfASU201613	0	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6200000	USD
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CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	800000	USD
CY2020	us-gaap	Allowance For Loan And Lease Losses Foreign Currency Translation AllowanceForLoanAndLeaseLossesForeignCurrencyTranslation	400000	USD
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CY2019	us-gaap	Allowance For Loan And Lease Losses Foreign Currency Translation AllowanceForLoanAndLeaseLossesForeignCurrencyTranslation	200000	USD
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CY2020Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	15600000	USD
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CY2020Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	77500000	USD
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CY2020Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	219900000	USD
CY2019Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	228300000	USD
CY2019Q4	itt	Other Employee Benefit Related Assets OtherEmployeeBenefitRelatedAssets	133600000	USD
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CY2019Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	29100000	USD
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CY2019Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	10500000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1645900000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1580600000	USD
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CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1049100000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	525100000	USD
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CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	22200000	USD
CY2020Q4	itt	Finite And Infinite Lived Intangible Assets Gross FiniteAndInfiniteLivedIntangibleAssetsGross	243000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	136600000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	106400000	USD
CY2019Q4	itt	Finite And Infinite Lived Intangible Assets Gross FiniteAndInfiniteLivedIntangibleAssetsGross	278700000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	140700000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	138000000.0	USD
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	12300000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	20400000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	36900000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	27000000.0	USD
CY2019Q4	itt	Asbestos Related Liability Current AsbestosRelatedLiabilityCurrent	86000000.0	USD
CY2020Q4	itt	Customer Related Liabilities CustomerRelatedLiabilities	73700000	USD
CY2019Q4	itt	Customer Related Liabilities CustomerRelatedLiabilities	74600000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	20800000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17600000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	19000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	16200000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	14500000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	7900000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	23000000.0	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	137300000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	145400000	USD
CY2020Q4	itt	Asbestos Related Liability Current AsbestosRelatedLiabilityCurrent	91400000	USD
CY2020Q4	itt	Compensation And Other Employee Related Liabilities Noncurrent CompensationAndOtherEmployeeRelatedLiabilitiesNoncurrent	29400000	USD
CY2020Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	23100000	USD
CY2019Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	18500000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	19800000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	19900000	USD
CY2020Q4	itt	Accrued Environmental And Litigation Liabilities Current AccruedEnvironmentalAndLitigationLiabilitiesCurrent	19100000	USD
CY2019Q4	itt	Accrued Environmental And Litigation Liabilities Current AccruedEnvironmentalAndLitigationLiabilitiesCurrent	17900000	USD
CY2020Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	19100000	USD
CY2019Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	7500000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	37000000.0	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	34000000.0	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	457400000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	430800000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	72400000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	76000000.0	USD
CY2020Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	50100000	USD
CY2019Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	55800000	USD
CY2019Q4	itt	Compensation And Other Employee Related Liabilities Noncurrent CompensationAndOtherEmployeeRelatedLiabilitiesNoncurrent	32400000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	13000000.0	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	12900000	USD
CY2020Q4	us-gaap	Deferred Income Taxes And Other Tax Liabilities Noncurrent DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent	11900000	USD
CY2019Q4	us-gaap	Deferred Income Taxes And Other Tax Liabilities Noncurrent DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent	24000000.0	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	33800000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	33600000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	210600000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	234700000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	25000000.0	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	25100000	USD
CY2018	us-gaap	Operating Lease Cost OperatingLeaseCost	25100000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	21700000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	19300000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	14700000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	10600000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	8500000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	26300000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	101100000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	8900000	USD
CY2020Q4	itt	Discounted Obligationfor Operating Lease Payments DiscountedObligationforOperatingLeasePayments	92200000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	19800000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	72400000	USD
CY2020Q4	itt	Discounted Obligationfor Operating Lease Payments DiscountedObligationforOperatingLeasePayments	92200000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y4M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.026
CY2020	itt	Capitalized Rightof Use Assetsduringthe Period CapitalizedRightofUseAssetsduringthePeriod	28000000.0	USD
CY2020	itt	Right Of Use Asset Reduction Due To Lease Termination RightOfUseAssetReductionDueToLeaseTermination	13200000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	22600000	USD
CY2020Q4	us-gaap	Commercial Paper CommercialPaper	104300000	USD
CY2019Q4	us-gaap	Commercial Paper CommercialPaper	84200000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2500000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2300000	USD
CY2020Q4	us-gaap	Debt Current DebtCurrent	106800000	USD
CY2019Q4	us-gaap	Debt Current DebtCurrent	86500000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	13000000.0	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	12900000	USD
CY2020Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	119800000	USD
CY2019Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	99400000	USD
CY2020Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	0	USD
CY2020Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0071
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Rolling Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths	2500000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10600000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17600000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17100000	USD
CY2020Q4	itt	Sharesof Itt Stock Heldin Defined Contribution Plan SharesofITTStockHeldinDefinedContributionPlan	100000	shares
CY2020	itt	Active Participants In Numerous Defined Benefit Pension Plans ActiveParticipantsInNumerousDefinedBenefitPensionPlans	900	Participant
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	500000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	321800000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	242800000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	525400000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-242300000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-203600000	USD
CY2020Q4	itt	Pensionand Other Postretirement Defined Benefit Plans Assets Noncurrent PensionandOtherPostretirementDefinedBenefitPlansAssetsNoncurrent	200000	USD
CY2019Q4	itt	Pensionand Other Postretirement Defined Benefit Plans Assets Noncurrent PensionandOtherPostretirementDefinedBenefitPlansAssetsNoncurrent	24500000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	15000000.0	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	14200000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	227500000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	213900000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-80100000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-181200000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-26700000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-31800000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	53400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	149400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	525400000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	499800000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2300000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2100000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	10700000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	16600000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	0	USD
CY2019	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	-1700000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	52300000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	45000000.0	USD
CY2020	itt	Defined Benefit Plan Benefits And Expenses Paid Including Unfunded Portion DefinedBenefitPlanBenefitsAndExpensesPaidIncludingUnfundedPortion	28400000	USD
CY2019	itt	Defined Benefit Plan Benefits And Expenses Paid Including Unfunded Portion DefinedBenefitPlanBenefitsAndExpensesPaidIncludingUnfundedPortion	38700000	USD
CY2020	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Benefit Obligation DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation	0	USD
CY2019	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Benefit Obligation DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation	500000	USD
CY2020	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	328500000	USD
CY2019	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	0	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-9000000.0	USD
CY2019	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	1600000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	242800000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	525400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	321800000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	281300000	USD
CY2020	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	20000000.0	USD
CY2019	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	58100000	USD
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	18000000.0	USD
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	22900000	USD
CY2020	itt	Defined Benefit Plan Benefits And Expenses Paid DefinedBenefitPlanBenefitsAndExpensesPaid	30800000	USD
CY2019	itt	Defined Benefit Plan Benefits And Expenses Paid DefinedBenefitPlanBenefitsAndExpensesPaid	40500000	USD
CY2020	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	328500000	USD
CY2019	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	0	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	500000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	321800000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-242300000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-203600000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	121600000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	406300000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8100000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	124200000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	112800000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	121300000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	110300000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	0	USD
CY2020Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.045
CY2018	itt	Sharebasedcompensationcostsliabilitybasedawards Sharebasedcompensationcostsliabilitybasedawards	1500000	USD
CY2020	itt	Sharebasedcompensationcosts Total SharebasedcompensationcostsTotal	14200000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	37200000	shares
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13400000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	15700000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21600000	USD
CY2020	itt	Sharebasedcompensationcostsliabilitybasedawards Sharebasedcompensationcostsliabilitybasedawards	800000	USD
CY2019	itt	Sharebasedcompensationcostsliabilitybasedawards Sharebasedcompensationcostsliabilitybasedawards	2800000	USD
CY2019	itt	Sharebasedcompensationcosts Total SharebasedcompensationcostsTotal	18500000	USD
CY2018	itt	Sharebasedcompensationcosts Total SharebasedcompensationcostsTotal	23100000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	300000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.55
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	700000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	35.04
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	900000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	34.07
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	100000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	35.37
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	400000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	36.08
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	200000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	30.52
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	200000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	32.22
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	300000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.55
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	700000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	35.04
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	200000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	32.22
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	300000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	33.55
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	500000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	36.04
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4100000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	11100000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4500000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4300000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14900000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5800000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	4100000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	6500000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	3000000.0	USD
CY2020	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	3000000.0	USD
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	4600000	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2200000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	200000	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y2M12D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	7400000	USD
CY2020Q4	us-gaap	Share Price SharePrice	77.02
CY2020Q1	us-gaap	Share Price SharePrice	61.17
CY2020Q4	itt	Aggregate Capital Stock Authorized AggregateCapitalStockAuthorized	300000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000	shares
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.676
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.588
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.536
CY2006Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1000000000	USD
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1700000	shares
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	500000	shares
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1000000.0	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	24500000	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1011000000.0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-9800000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	133300000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	137600000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-210600000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-348200000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-6000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-33300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-27300000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	131600000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-243900000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-375500000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1700000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-252000000.0	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-385300000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-77400000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28500000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	105900000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	55900000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-223500000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-279400000	USD
CY2019	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	1200000	USD
CY2020Q4	itt	Asbestos Related Liability Current AsbestosRelatedLiabilityCurrent	91400000	USD
CY2020Q4	itt	Asbestos Related Current Assets AsbestosRelatedCurrentAssets	91000000.0	USD
CY2019Q4	itt	Asbestos Related Liability Current AsbestosRelatedLiabilityCurrent	86000000.0	USD
CY2019Q4	itt	Asbestos Related Current Assets AsbestosRelatedCurrentAssets	67200000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual Carrying Value Noncurrent LossContingencyAccrualCarryingValueNoncurrent	840600000	USD
CY2020Q4	itt	Asbestos Related Assets AsbestosRelatedAssets	353700000	USD
CY2019Q4	itt	Asbestos Related Assets AsbestosRelatedAssets	319600000	USD
CY2020Q4	us-gaap	Recorded Third Party Environmental Recoveries Amount RecordedThirdPartyEnvironmentalRecoveriesAmount	18600000	USD
CY2020Q4	itt	Guarantees Letters Of Credit And Similar Arrangements Outstanding GuaranteesLettersOfCreditAndSimilarArrangementsOutstanding	150500000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	20500000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	17300000	USD
CY2020	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	12300000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	10500000	USD
CY2020	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	8200000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	8500000	USD
CY2020	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	800000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	25400000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	20500000	USD

Files In Submission

Name	View Source	Status
0000216228-21-000005-index-headers.html	Edgar Link	pending
0000216228-21-000005-index.html	Edgar Link	pending
0000216228-21-000005.txt	Edgar Link	pending
0000216228-21-000005-xbrl.zip	Edgar Link	pending
exhibit10182020.htm	Edgar Link	pending
exhibit10192020.htm	Edgar Link	pending
exhibit2112020.htm	Edgar Link	pending
exhibit2312020.htm	Edgar Link	pending
exhibit3112020.htm	Edgar Link	pending
exhibit3122020.htm	Edgar Link	pending
exhibit3212020.htm	Edgar Link	pending
exhibit3222020.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
itt-20201231.htm	Edgar Link	pending
itt-20201231.xsd	Edgar Link	pending
itt-20201231_cal.xml	Edgar Link	unprocessable
itt-20201231_def.xml	Edgar Link	unprocessable
itt-20201231_g1.jpg	Edgar Link	pending
itt-20201231_g2.jpg	Edgar Link	pending
itt-20201231_g3.jpg	Edgar Link	pending
itt-20201231_htm.xml	Edgar Link	completed
itt-20201231_lab.xml	Edgar Link	unprocessable
itt-20201231_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$ITT
ITT INC. Stock $itt

2019 Q4 Form 10-K Financial Statement

#000021622821000005 Filed on February 19, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ITT ITT INC. Stock $itt

2019 Q4 Form 10-K Financial Statement

#000021622821000005 Filed on February 19, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ITT
ITT INC. Stock $itt