CONTRACT AND OTHER DEFERRED ASSETS & PROGRESS COLLECTIONS AND DEFERRED INCOME - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Capitalized Contract Cost [Line Items]
Increase in contract and other deferred assets	$ 72
Increase in progress collections and deferred income due to timing of revenue recognition	999
Revenue recognized included in contract liability	4,628	$ 4,468
Long-term
Capitalized Contract Cost [Line Items]
Increase (decrease) due to billings	(3,155)
Revenues recognized	3,029
Long-term \| Power
Capitalized Contract Cost [Line Items]
Net favorable (unfavorable) change in estimated profitability	(29)
Long-term \| Aerospace
Capitalized Contract Cost [Line Items]
Net favorable (unfavorable) change in estimated profitability	$ (162)

Contract With Customer, Asset, Cumulative Catch-Up Adjustment To Revenue, Change In Estimated Profitability

No definition available.

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- Definition

Contract With Customer, Asset, Revenues Recognized

+ References

No definition available.

+ Details

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- Definition

Increase (Decrease) In Contract With Customer, Asset And Other Deferred Assets

+ 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 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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- Definition

Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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- Definition

Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-8

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