Debt Instrument, Face Amount, Roll Over

No definition available.

Name:	q_DebtInstrumentFaceAmountRollOver
Namespace Prefix:	q_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Prepayment Premium Period

+ References

No definition available.

+ Details

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Namespace Prefix:	q_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Repricing Fees

+ References

No definition available.

+ Details

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Namespace Prefix:	q_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line Of Credit Facility, Remaining Borrowing Capacity, Uncommitted Amount

+ References

No definition available.

+ Details

Name:	q_LineOfCreditFacilityRemainingBorrowingCapacityUncommittedAmount
Namespace Prefix:	q_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of debt and lease obligation, classified as current.

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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Balance Type:	debit
Period Type:	instant

- 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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Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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.

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Period Type:	duration

- 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.

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

- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

+ References

+ Details

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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.

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+ Details

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

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Period Type:	duration

- Details

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- Details

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SHORT-TERM BORROWINGS, LONG-TERM DEBT, AND AVAILABLE CREDIT FACILITIES (Details) - USD ($)				3 Months Ended	9 Months Ended
	Jul. 01, 2026	Jun. 30, 2026	Oct. 31, 2025	Sep. 30, 2026	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Line of Credit Facility [Line Items]
Short-term borrowings				$ 23,000,000	$ 23,000,000		$ 24,000,000
Long-Term Debt				3,996,000,000	3,996,000,000		4,003,000,000
Proceeds from term loan facility repricing					360,000,000	$ 0
Debt modification, third-party fees incurred				2,000,000	2,000,000
Letters of credit outstanding				27,000,000	27,000,000
Remaining borrowing capacity, uncommitted				136,000,000	136,000,000
Senior Secured Credit Facilities \| Line of Credit
Line of Credit Facility [Line Items]
Debt modification, third-party fees incurred				2,000,000
Debt Issuance Costs, Net				1,000,000	1,000,000
Revolving Credit Facility \| Senior Secured Credit Facilities \| Line of Credit
Line of Credit Facility [Line Items]
Debt instrument term			5 years
Maximum borrowing capacity			$ 1,250,000,000
Revolving Credit Facility \| Senior Secured Revolving Facility Matures October 2030 \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity				1,250,000,000	1,250,000,000
Proceeds from lines of credit					0
Letter of Credit \| Senior Secured Credit Facilities \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 100,000,000
Letters of credit outstanding				12,000,000	$ 12,000,000
Secured Debt \| Senior Secured Credit Facilities
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					1.00%
Debt instrument, prepayment premium period					6 months
Loss on extinguishment of debt				3,000,000
Secured Debt \| Senior Secured Credit Facilities \| SOFR
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	1.75%	2.00%
Secured Debt \| Senior Secured Credit Facilities \| Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	0.75%	1.00%
Secured Debt \| Senior Secured Credit Facilities \| Term Loan Facilities
Line of Credit Facility [Line Items]
Debt instrument term			7 years
Aggregate principal amount of debt			$ 2,350,000,000
Amount rolled over	$ 1,978,000,000
Proceeds from term loan facility repricing	$ 360,000,000
Level 2
Line of Credit Facility [Line Items]
Long-term debt due within one year				$ 4,011,000,000	$ 4,011,000,000		$ 4,154,000,000