Segment and Revenue Information - Schedule of Capital Expenditures by Segment (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Segment Reporting [Line Items] | ||||
| Capital expenditures | $ 1,032 | $ 885 | $ 3,040 | $ 1,986 |
| Operating Segments | Commercial Airplanes | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 239 | 166 | 641 | 409 |
| Operating Segments | Defense, Space & Security | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 117 | 93 | 321 | 206 |
| Operating Segments | Global Services | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 30 | 53 | 82 | 122 |
| Unallocated items, eliminations and other | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | $ 646 | $ 573 | $ 1,996 | $ 1,249 |
| X | ||||||||||
- Definition Amount of expenditure for addition to long-lived asset included in determination of segment asset by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Long-lived asset excludes financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|