CONTRACT AND OTHER DEFERRED ASSETS & PROGRESS COLLECTIONS AND DEFERRED INCOME - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Capitalized Contract Cost [Line Items]
Increase (decrease) in contract and other deferred assets	$ (368)
Increase (decrease) in progress collections and deferred income due to timing of revenue recognition	461
Revenue recognized included in contract liability	4,468	$ 3,997
Long-term \| Services
Capitalized Contract Cost [Line Items]
Increase (decrease) due to billings	(3,155)
Revenues recognized	2,579
Long-term \| Services \| Aerospace
Capitalized Contract Cost [Line Items]
Net favorable (unfavorable) change in estimated profitability	53
Long-term \| Services \| Power
Capitalized Contract Cost [Line Items]
Net favorable (unfavorable) change in estimated profitability	$ (12)

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

No definition available.

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Balance Type:	credit
Period Type:	duration

- 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

No definition available.

+ Details

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045

+ Details

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Period Type:	duration

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

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- Details

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- Details

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