Debt Instrument, EBITDA Multiple of Trailing Twelve-Month Measurement Period

No definition available.

Name:	rmd_DebtInstrumentEBITDAMultipleOfTrailingTwelveMonthMeasurementPeriod
Namespace Prefix:	rmd_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt To Consolidated EBITDA Ratio

+ References

No definition available.

+ Details

Name:	rmd_DebtToConsolidatedEbitdaRatio
Namespace Prefix:	rmd_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Collateral, Percentage of the Company

+ References

No definition available.

+ Details

Name:	rmd_LineOfCreditFacilityCollateralPercentageOfTheCompany
Namespace Prefix:	rmd_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Uncommitted option to increase credit facility

+ References

No definition available.

+ Details

Name:	rmd_UncommittedOptionToIncreaseCreditFacility
Namespace Prefix:	rmd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
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.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
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

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of the required periodic payment applied to principal.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityPeriodicPaymentPrincipal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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+ Details

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

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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

- Details

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Balance Type:
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- Details

Name:	us-gaap_LineOfCreditFacilityAxis=rmd_MufgUnionBankNaAndWestpacBankingCorporationMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

- Details

Name:	dei_LegalEntityAxis=rmd_ResmedLimitedMember
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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
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- Details

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Debt (Narrative) (Details)			12 Months Ended
Debt (Narrative) (Details)	Jun. 29, 2022 USD ($)	Apr. 17, 2018 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jul. 10, 2019 USD ($)
Debt Instrument [Line Items]
Debt to consolidated EBITDA ratio			3.50
Line of credit facility, collateral, percentage of the company			10.00%
Outstanding loan balance			$ 765,325,000	$ 643,351,000
Outstanding debt			775,241,000	655,351,000
Revolving Credit Facility And Term Credit Agreement
Debt Instrument [Line Items]
Principal payment	$ 5,000,000
Available for draw			1,400,000,000
Long-term debt, fair value			$ 280,000,000	$ 158,000,000
MUFG Union Bank NA and Westpac Banking Corporation \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	1,500,000,000	$ 1,600,000,000
Uncommitted option to increase credit facility	$ 1,000,000,000	$ 300,000,000
EBITDA multiple of trailing twelve-month measurement period	1.00
MUFG Union Bank NA and Westpac Banking Corporation \| Revolving Credit Facility And Term Credit Agreement
Debt Instrument [Line Items]
Interest rate on outstanding principal amount			3.00%
MUFG Union Bank \| ResMed Limited \| Revolving Credit Facility And Term Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 200,000,000
Minimum \| Revolving Credit Facility And Term Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Credit facility interest rate equal to reference rate plus	0.75%
Minimum \| Revolving Credit Facility And Term Credit Agreement \| Base Rate
Debt Instrument [Line Items]
Credit facility interest rate equal to reference rate plus	0.00%
Minimum \| MUFG Union Bank NA and Westpac Banking Corporation \| Revolving Credit Facility
Debt Instrument [Line Items]
Commitment fees percentage rate on unused portion of credit facility			0.075%
Maximum \| Revolving Credit Facility And Term Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Credit facility interest rate equal to reference rate plus	1.50%
Maximum \| Revolving Credit Facility And Term Credit Agreement \| Base Rate
Debt Instrument [Line Items]
Credit facility interest rate equal to reference rate plus	0.50%
Maximum \| MUFG Union Bank NA and Westpac Banking Corporation \| Revolving Credit Facility
Debt Instrument [Line Items]
Commitment fees percentage rate on unused portion of credit facility			0.15%
3.24% Senior Notes Due July 10, 2026
Debt Instrument [Line Items]
Principal amount					$ 250,000,000
Interest rate			3.24%
3.45% Senior Notes Due July 10, 2029
Debt Instrument [Line Items]
Principal amount					$ 250,000,000
Interest rate			3.45%
Senior Notes
Debt Instrument [Line Items]
Long-term debt, fair value			$ 477,700,000
Outstanding loan balance			500,000,000
Revolving Credit Agreement, Term Credit Agreement, And Senior Notes
Debt Instrument [Line Items]
Outstanding debt			$ 780,000,000