Debt - Committed Credit Facilities (Details) - Line of Credit $ in Millions	Sep. 30, 2025 USD ($)
CP2 Holdings EBL Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 3,000
Incremental commitments	0
Less:
Outstanding balances	3,000
Commitments prepaid or terminated	0
Letters of credit issued	0
Available commitments	$ 0
CP2 Holdings EBL Facilities \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	3.50%
CP2 Holdings EBL Facilities \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	2.50%
Term Loan \| Calcasieu Pass Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 5,477
Incremental commitments	0
Less:
Outstanding balances	855
Commitments prepaid or terminated	4,622
Letters of credit issued	0
Available commitments	$ 0
Commitment fees on undrawn balance	0.831%
Term Loan \| Calcasieu Pass Credit Facilities \| Minimum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.375%
Term Loan \| Calcasieu Pass Credit Facilities \| Minimum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.375%
Term Loan \| Calcasieu Pass Credit Facilities \| Maximum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.875%
Term Loan \| Calcasieu Pass Credit Facilities \| Maximum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.875%
Term Loan \| Plaquemines Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 8,459
Incremental commitments	4,489
Less:
Outstanding balances	5,701
Commitments prepaid or terminated	7,247
Letters of credit issued	0
Available commitments	$ 0
Commitment fees on undrawn balance	0.656%
Term Loan \| Plaquemines Credit Facilities \| Minimum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	1.975%
Term Loan \| Plaquemines Credit Facilities \| Minimum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	0.875%
Term Loan \| Plaquemines Credit Facilities \| Maximum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.625%
Term Loan \| Plaquemines Credit Facilities \| Maximum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.375%
Term Loan \| CP2 Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 11,250
Incremental commitments	0
Less:
Outstanding balances	100
Commitments prepaid or terminated	0
Letters of credit issued	0
Available commitments	$ 11,150
Term Loan \| CP2 Credit Facilities \| Minimum
Less:
Commitment fees on undrawn balance	0.788%
Term Loan \| CP2 Credit Facilities \| Minimum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.25%
Term Loan \| CP2 Credit Facilities \| Minimum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.25%
Term Loan \| CP2 Credit Facilities \| Maximum
Less:
Commitment fees on undrawn balance	0.963%
Term Loan \| CP2 Credit Facilities \| Maximum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.75%
Term Loan \| CP2 Credit Facilities \| Maximum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.75%
Blackfin TLA Facility \| Blackfin Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 425
Less:
Outstanding balances	54
Available commitments	$ 371
Blackfin TLA Facility \| Blackfin Credit Facilities \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.25%
Blackfin TLA Facility \| Blackfin Credit Facilities \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.25%
Blackfin TLA Facility \| Blackfin Credit Facilities \| Minimum
Less:
Commitment fees on undrawn balance	0.438%
Blackfin TLA Facility \| Blackfin Credit Facilities \| Maximum
Less:
Commitment fees on undrawn balance	0.875%
Blackfin TLB Facility \| Blackfin Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 1,050
Less:
Outstanding balances	1,050
Available commitments	$ 0
Blackfin TLB Facility \| Blackfin Credit Facilities \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	3.00%
Blackfin TLB Facility \| Blackfin Credit Facilities \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	2.00%
Working Capital Facility \| Calcasieu Pass Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 300
Incremental commitments	255
Less:
Outstanding balances	0
Commitments prepaid or terminated	0
Letters of credit issued	299
Available commitments	$ 256
Commitment fees on undrawn balance	1.006%
Working Capital Facility \| Calcasieu Pass Credit Facilities \| Minimum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.375%
Working Capital Facility \| Calcasieu Pass Credit Facilities \| Minimum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.375%
Working Capital Facility \| Calcasieu Pass Credit Facilities \| Maximum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.875%
Working Capital Facility \| Calcasieu Pass Credit Facilities \| Maximum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.875%
Working Capital Facility \| Plaquemines Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 1,100
Incremental commitments	1,000
Less:
Outstanding balances	154
Commitments prepaid or terminated	0
Letters of credit issued	1,337
Available commitments	$ 609
Commitment fees on undrawn balance	0.656%
Working Capital Facility \| Plaquemines Credit Facilities \| Minimum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	1.975%
Working Capital Facility \| Plaquemines Credit Facilities \| Minimum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	0.875%
Working Capital Facility \| Plaquemines Credit Facilities \| Maximum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.625%
Working Capital Facility \| Plaquemines Credit Facilities \| Maximum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.375%
Working Capital Facility \| CP2 Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 850
Incremental commitments	0
Less:
Outstanding balances	0
Commitments prepaid or terminated	0
Letters of credit issued	110
Available commitments	$ 740
Working Capital Facility \| CP2 Credit Facilities \| Minimum
Less:
Commitment fees on undrawn balance	0.788%
Working Capital Facility \| CP2 Credit Facilities \| Minimum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.25%
Working Capital Facility \| CP2 Credit Facilities \| Minimum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.25%
Working Capital Facility \| CP2 Credit Facilities \| Maximum
Less:
Commitment fees on undrawn balance	0.963%
Working Capital Facility \| CP2 Credit Facilities \| Maximum \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.75%
Working Capital Facility \| CP2 Credit Facilities \| Maximum \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.75%
Working Capital Facility \| Blackfin Credit Facilities
Line of Credit Facility [Line Items]
Original facility size	$ 75
Less:
Outstanding balances	0
Available commitments	$ 75
Working Capital Facility \| Blackfin Credit Facilities \| SOFR
Less:
Interest rate on outstanding balances, spread on variable rate	2.25%
Working Capital Facility \| Blackfin Credit Facilities \| Base rate
Less:
Interest rate on outstanding balances, spread on variable rate	1.25%
Working Capital Facility \| Blackfin Credit Facilities \| Minimum
Less:
Commitment fees on undrawn balance	0.438%
Working Capital Facility \| Blackfin Credit Facilities \| Maximum
Less:
Commitment fees on undrawn balance	0.875%

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

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 605
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477548/944-605-55-15

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+ Details

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Balance Type:	credit
Period Type:	instant

- 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
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+ Details

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Namespace Prefix:	us-gaap_
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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
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-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Less Line Of Credit Facility

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Amounts Prepaid Or Terminated

+ References

No definition available.

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- Definition

Line Of Credit Facility, Original Borrowing Capacity

+ References

No definition available.

+ Details

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