Debt instruments maturity year.

No definition available.

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

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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Period Type:

- Details

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- Details

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- Details

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- Details

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- Details

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Long-Term Debt - Additional Information (Details) - USD ($)					12 Months Ended
	Mar. 28, 2022	Aug. 26, 2021	Feb. 16, 2021	Feb. 12, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 0	$ (41,000,000)	$ 0
A&R Term B Facility
Debt Instrument [Line Items]
Interest rate					6.78%	2.75%
A&R Credit Agreement \| Federal Funds Effective Rate
Debt Instrument [Line Items]
Applicable interest rate on borrowings				0.50%
A&R Credit Agreement \| London Interbank Offered Rate LIBOR
Debt Instrument [Line Items]
Applicable interest rate on borrowings				1.00%
A&R Credit Agreement \| A&R Term B Facility
Debt Instrument [Line Items]
Credit facilities term (in years)				7 years
Principal amount issued	$ 200,000,000			$ 950,000,000
A&R Credit Agreement \| A&R Term B Facility \| London Interbank Offered Rate LIBOR
Debt Instrument [Line Items]
Applicable interest rate on borrowings				2.25%
A&R Credit Agreement \| A&R Term B Facility \| London Interbank Offered Rate LIBOR \| Minimum
Debt Instrument [Line Items]
Applicable interest rate on borrowings				0.50%
A&R Credit Agreement \| A&R Term B Facility \| Base Rate
Debt Instrument [Line Items]
Applicable interest rate on borrowings				1.25%
A&R Credit Agreement \| A&R Revolving Credit Facility
Debt Instrument [Line Items]
Credit facilities term (in years)	5 years
Principal amount issued	$ 500,000,000
A&R Credit Agreement \| A&R Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Borrowings from credit facility				$ 75,000,000
A&R Credit Agreement \| A&R Revolving Credit Facility \| London Interbank Offered Rate LIBOR \| Minimum
Debt Instrument [Line Items]
Applicable interest rate on borrowings				1.75%
A&R Credit Agreement \| A&R Revolving Credit Facility \| London Interbank Offered Rate LIBOR \| Maximum
Debt Instrument [Line Items]
Applicable interest rate on borrowings				2.25%
A&R Credit Agreement \| A&R Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Applicable interest rate on borrowings				0.75%
A&R Credit Agreement \| A&R Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Applicable interest rate on borrowings				1.25%
Senior Credit Facilities \| A&R Revolving Credit Facility
Debt Instrument [Line Items]
Borrowings from credit facility					$ 0	$ 0
Senior Credit Facilities \| Letter of Credit
Debt Instrument [Line Items]
Borrowings from credit facility					$ 0	$ 0
4.000% senior notes due 2029
Debt Instrument [Line Items]
Principal amount issued		$ 300,000,000
Interest rate		4.00%			4.00%
Debt instrument redemption price percentage		101.00%
6.125% notes due 2026
Debt Instrument [Line Items]
Interest rate			6.125%
Total long-term debt			2026