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Basis of Presentation and Summary of Accounting Principles (Collaborative Arrangements) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Pratt & Whitney's Reduction of Total Cost of Sales Related to Our Collaborators' Share of the Powder Metal Matter | $ 2,600 |  |
Cost of Products Sold [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Collaborator Share Of Sales | (181) | $ 2,058 | $ 1,534
Collaborator Share Of Program Costs Amount | (205) | (154) | (160)
Cost of Services Sold [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Collaborator Share Of Sales | 2,151 | 1,808 | 1,428
Research and Development [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Collaborator Share Of Program Costs Amount | (208) | (182) | (135)
Selling General and Administrative [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Collaborator Share Of Program Costs Amount | $ (114) | $ (105) | $ (85)

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- Definition Income statement amounts attributable to program costs transactions arising from the collaborative arrangement between participants for each period an income statement is presented. + References No definition available. + Details
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- Definition Income statement amounts attributable to revenue transactions arising from the collaborative arrangement between participants for each period an income statement is presented. + References No definition available. + Details
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- Definition Pratt & Whitney's Reduction of Total Cost of Sales Related to Our Collaborators' Share of the Powder Metal Matter + References No definition available. + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479402/808-10-50-1 + Details
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