Segment and Revenue Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Segment Reporting [Line Items]
Assets	$ 170,739	$ 168,235
Operating Segments \| Commercial Airplanes
Segment Reporting [Line Items]
Assets	99,372	91,878
Operating Segments \| Defense, Space & Security
Segment Reporting [Line Items]
Assets	18,016	16,604
Operating Segments \| Global Services
Segment Reporting [Line Items]
Assets	17,058	16,871
Unallocated items, eliminations and other
Segment Reporting [Line Items]
Assets	$ 36,293	$ 42,882

Amount of asset recognized for present right to economic benefit.

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+ Details

- 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.

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+ Details