Debt Instrument, Face Amount, Current

No definition available.

Name:	eqt_DebtInstrumentFaceAmountCurrent
Namespace Prefix:	eqt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Face Amount, Noncurrent

+ References

No definition available.

+ Details

Name:	eqt_DebtInstrumentFaceAmountNoncurrent
Namespace Prefix:	eqt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

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

- Definition

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

+ References

+ Details

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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

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

- Definition

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

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+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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

- Definition

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

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+ Details

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

- 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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- Details

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- Details

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Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	May 17, 2021	Apr. 30, 2020
Debt Instrument [Line Items]
Principal Value	$ 4,810,574	$ 5,643,652
Carrying Value	4,769,319	5,591,072
Less: Current portion of debt, principal value	430,601	1,074,332
Less: Current portion of debt, carrying value	421,987	1,060,970
Total long-term debt, principal value	4,379,973	4,569,320
Total long-term debt, carrying value	4,347,332	4,530,102
Senior Notes
Debt Instrument [Line Items]
Carrying Value	$ 4,700,000	$ 5,500,000
3.00% notes due October 1, 2022 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	3.00%	3.00%
Principal Value	$ 0	$ 568,823
Carrying Value	$ 0	567,909
7.42% series B notes due 2023 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	7.42%
Principal Value	$ 10,000	10,000
Carrying Value	$ 10,000	10,000
6.125% notes due February 1, 2025 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	6.125%
Principal Value	$ 915,594	1,000,000
Carrying Value	$ 911,883	$ 994,643
1.75% convertible notes due May 1, 2026 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	1.75%	1.75%		1.75%
Principal Value	$ 414,846	$ 499,991		$ 500,000
Carrying Value	$ 406,232	487,543
3.125% notes due May 15, 2026 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	3.125%		3.125%
Principal Value	$ 463,354	500,000	$ 500,000
Carrying Value	$ 458,098	493,157
7.75% debentures due July 15, 2026 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	7.75%
Principal Value	$ 115,000	115,000
Carrying Value	$ 113,094	112,721
3.90% notes due October 1, 2027 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	3.90%
Principal Value	$ 1,234,433	1,250,000
Carrying Value	$ 1,228,714	1,243,340
5.00% notes due January 15, 2029 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	5.00%
Principal Value	$ 336,454	350,000
Carrying Value	$ 332,015	344,835
7.000% notes due February 1, 2030 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	7.00%
Principal Value	$ 730,000	750,000
Carrying Value	$ 725,071	744,417
3.625% notes due May 15, 2031 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage	3.625%		3.625%
Principal Value	$ 495,165	500,000	$ 500,000
Carrying Value	488,484	492,669
Note payable to EQM \| Note payable to EQM
Debt Instrument [Line Items]
Principal Value	95,728	99,838
Carrying Value	$ 95,728	$ 99,838