Spirit Acquisition - Schedule of Business Combination, Recognized Asset Acquired and Liability Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 08, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Goodwill	$ 17,275		$ 8,084	$ 8,093
Spirit AeroSystems Holdings, Inc.
Business Combination [Line Items]
Cash and cash equivalents		$ 281
Accounts receivable		339
Inventories		1,438
Unbilled receivables		126
Property, plant and equipment		2,419
Goodwill		9,997
Acquired intangible assets		109
Other assets		116
Accounts payable		(953)
Accrued liabilities		(1,784)
Advances and progress billings		(97)
Short-term debt and current portion of long-term debt		(329)
Long-term debt		(3,279)
Other long-term liabilities		(178)
Other		166
Total net assets acquired		$ 8,371