XML 62 R47.htm IDEA: XBRL DOCUMENT v3.21.2

SUBSEQUENT EVENT (Details) - Secured Receivables Credit Facility - USD ($)	Oct. 22, 2021	Sep. 30, 2021
Subsequent Event [Line Items]
Credit facility capacity		$ 600,000,000
Letter of Credit
Subsequent Event [Line Items]
Credit facility capacity		$ 100,000,000
Subsequent Event
Subsequent Event [Line Items]
Credit facility capacity	$ 600,000,000
Subsequent Event | Commercial Paper or LIBOR | Minimum
Subsequent Event [Line Items]
Interest rate	0.725%
Subsequent Event | Commercial Paper or LIBOR | Maximum
Subsequent Event [Line Items]
Interest rate	0.80%
Subsequent Event | Letter of Credit
Subsequent Event [Line Items]
Credit facility capacity	$ 100,000,000
Subsequent Event | Loan commitment maturing October 2022
Subsequent Event [Line Items]
Credit facility capacity	250,000,000
Subsequent Event | Loan commitment maturing October 2023
Subsequent Event [Line Items]
Credit facility capacity	$ 250,000,000

X

- 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

X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=dgx_CommercialPaperOrLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dgx_LoanCommitmentMaturingOctober2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dgx_LoanCommitmentMaturingOctober2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: