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Variable Interest Entity (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2025 | Apr. 08, 2025
Blue Point Number One, LLC |  |  |
Variable Interest Entity [Line Items] |  |  |
Ownership interest (as a percent) |  |  | 40.00%
Initial capital contribution | $ 38 | $ 195 |
Initial contribution |  | 152 |
Amount of contribution of intellectual property rights |  | 43 |
Blue Point Number One, LLC | JERA Co, Inc. |  |  |
Variable Interest Entity [Line Items] |  |  |
Percentage of ownership interest held by outside investors |  |  | 35.00%
Minimum ownership percentage of noncontrolling owner |  |  | 20.00%
Initial capital contribution | 33 | 170 |
Blue Point Number One, LLC | Mitsui & Co., Ltd |  |  |
Variable Interest Entity [Line Items] |  |  |
Percentage of ownership interest held by outside investors |  |  | 25.00%
Initial capital contribution | $ 23 | $ 121 |
Blue Point Number One, LLC | JERA Co, Inc. and Mitsui & Co., Ltd. |  |  |
Variable Interest Entity [Line Items] |  |  |
Percentage of ownership interest held by outside investors |  |  | 60.00%

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