XML 88 R71.htm IDEA: XBRL DOCUMENT v3.20.4

Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Valuation allowance	$ 60,000,000	$ 32,000,000
Increase in tax expense	20,000,000	3,000,000
Deferred tax provided for withholding tax	0
Undistributed earnings from foreign subsidiaries	1,600,000,000
Unrecognized tax benefits	10,000,000	6,000,000	$ 2,000,000
Unrecognized tax benefits resulted in increases (decreases)	4,000,000	4,000,000	(18,000,000)
Unrecognized tax benefits related to examinations in progress	0	$ 0	0
Adjustment to the provisional tax amount related to repatriation transition tax			(85,400,000)
Taxes on undistributed earnings			$ (234,700,000)
A decrease to the effective tax rate as a result of adjustment			307.80%
Non-U.S.
Income Taxes [Line Items]
Valuation allowance	60,000,000
Net operating loss carryforwards	196,000,000
Non-U.S. | Carried Forward Indefinitely
Income Taxes [Line Items]
Net operating loss carryforwards	$ 178,000,000
Non-U.S. | Earliest Tax Year
Income Taxes [Line Items]
Operating loss carryforward expiration period	2021
Non-U.S. | Latest Tax Year
Income Taxes [Line Items]
Operating loss carryforward expiration period	2030
Federal
Income Taxes [Line Items]
Federal tax credit carryforwards	$ 1,000,000
Net operating loss carryforwards	$ 2,000,000
Tax credit carryforwards expiration period	2029
Operating loss carryforward expiration period	2027

X

- Definition

Deferred tax provided for withholding tax.

+ References

No definition available.

+ Details

Name:	rezi_DeferredTaxProvidedForWithholdingTax
Namespace Prefix:	rezi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Effective income tax rate reconciliation repatriation of foreign earnings and undistributed earnings.

+ References

No definition available.

+ Details

Name:	rezi_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarningsAndUndistributedEarnings
Namespace Prefix:	rezi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Income tax reconciliation repatriation of foreign undistributed earnings.

+ References

No definition available.

+ Details

Name:	rezi_IncomeTaxReconciliationRepatriationOfForeignUndistributedEarnings
Namespace Prefix:	rezi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Income taxes.

+ References

No definition available.

+ Details

Name:	rezi_IncomeTaxesLineItems
Namespace Prefix:	rezi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Measurement period adjustment included in tax charge unremitted on earnings of foreign affiliates.

+ References

No definition available.

+ Details

Name:	rezi_MeasurementPeriodAdjustmentIncludedInTaxChargeOnUnremittedEarningsOfForeignAffiliates
Namespace Prefix:	rezi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Operating loss carryforwards expiration years.

+ References

No definition available.

+ Details

Name:	rezi_OperatingLossCarryforwardsExpirationYears
Namespace Prefix:	rezi_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tax credit carryforwards expiration period.

+ References

No definition available.

+ Details

Name:	rezi_TaxCreditCarryforwardsExpirationPeriod
Namespace Prefix:	rezi_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Unrecognized tax benefits related to examinations in progress.

+ References

No definition available.

+ Details

Name:	rezi_UnrecognizedTaxBenefitsRelatedToExaminationsInProgress
Namespace Prefix:	rezi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

+ Details

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

+ Details

Name:	us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 740
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 740
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 25
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=121573983&loc=d3e28200-109314

+ Details

Name:	us-gaap_UndistributedEarningsOfForeignSubsidiaries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

Name:	us-gaap_UnrecognizedTaxBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

Name:	us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

Name:	us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=rezi_IndefiniteExpirationPeriodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=us-gaap_EarliestTaxYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=us-gaap_LatestTaxYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: