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Segment and Revenue Information - Schedule of Depreciation and Amortization Expense by Segment (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 883	$ 913	$ 1,861	$ 1,979	$ 2,144
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Depreciation and amortization			464	554	594
Depreciation and amortization expense, business segment allocation			311	361	387
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Depreciation and amortization			219	238	233
Depreciation and amortization expense, business segment allocation			264	230	222
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Depreciation and amortization			320	346	414
Depreciation and amortization expense, business segment allocation			75	53	60
Other
Segment Reporting Information [Line Items]
Depreciation and amortization			858	841	903
Intersegment revenues, eliminated on consolidation
Segment Reporting Information [Line Items]
Depreciation and amortization expense, business segment allocation			$ 650	$ 644	$ 669

X

- Definition

Allocation of depreciation and amortization from centrally managed assets to the primary business segments based on usage and occupancy

+ References

No definition available.

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

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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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