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Spirit Acquisition (Details) $ / shares in Units, $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) extension_period $ / shares shares | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Mar. 31, 2025 USD ($) | Jan. 22, 2025 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Business combination, amount due, liability |  |  |  |  | $ 515
Business combination, liability repayment, year one, adjustment |  |  |  |  | $ 425
Spirit AeroSystems Holdings, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, maximum financial support amount |  | $ 1,067 | $ 1,067 |  |
Business combination, financial support amount, not yet drawn |  |  |  | $ 166 |
Business combination, other assets, current |  | 539 |  | 24 |
Business combination, other assets |  | 299 |  | 784 |
Business combination, inventory advance payment |  | $ 165 |  | $ 162 |
Forecast |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, termination rights, number of three-month extension periods | extension_period | 3 |  |  |  |
Business combination, termination rights, cured duration | 30 days |  |  |  |
Forecast | Spirit AeroSystems Holdings, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, consideration transferred | $ 4,700 |  |  |  |
Business acquisition, share price (in dollars per share) | $ / shares | $ 37.25 |  |  |  |
Business acquisition, trading day | 15 days |  |  |  |
Business acquisition, buyer termination fee | $ 300 |  |  |  |
Forecast | Spirit AeroSystems Holdings, Inc. | Minimum |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, exchange ratio | 18.00% |  |  |  |
Business acquisition, floor price per share (in dollars per share) | $ / shares | $ 149.00 |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares | 0.25 |  |  |  |
Forecast | Spirit AeroSystems Holdings, Inc. | Maximum |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, exchange ratio | 25.00% |  |  |  |
Business acquisition, ceiling price per share (in dollars per share) | $ / shares | $ 206.94 |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares | 0.18 |  |  |  |

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