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Investments and Long-Term Receivables - Narrative (Details) $ in Billions | Sep. 30, 2023 USD ($) facility | Mar. 31, 2023 | Sep. 30, 2022 | Dec. 31, 2017 USD ($)
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Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Private Placement facilities | facility | 2 |  |  |
APLNG |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Project finance facility, maximum borrowing capacity |  |  |  | $ 8.5
Line of credit facility value outstanding | $ 4.7 |  |  |
Equity method investment | $ 5.4 |  |  |
Equity method investment, ownership percentage | 47.50% |  |  |
PALNG |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment | $ 0.9 |  |  |
Equity method investment, ownership percentage |  | 30.00% |  |
N3 |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment, ownership percentage | 30.00% |  |  |
N3 | Mitsui & Co., Ltd |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage | 1.50% |  |  |
N3 | Qatar Energy |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage | 68.50% |  |  |
NFE4 |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment, ownership percentage | 25.00% |  |  |
NFE4 | Qatar Energy |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage | 75.00% |  |  |
NFS3 |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment, ownership percentage | 25.00% |  | 25.00% |
NFS3 | Qatar Energy |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage | 75.00% |  |  |
Qatar |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment | $ 1.1 |  |  |

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