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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

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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 + Details
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