COMMITMENTS, GUARANTEES, PRODUCT WARRANTIES AND OTHER LOSS CONTINGENCIES - Guarantees (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Guarantor Obligations [Line Items]
Liability for indemnification agreements	$ 18,985	$ 19,745
Credit support
Guarantor Obligations [Line Items]
Commitments	1,483
Liability	33
Indemnification agreements
Guarantor Obligations [Line Items]
Commitments	1,544
Liability for indemnification agreements	144
Indemnification agreements - discontinued operations
Guarantor Obligations [Line Items]
Liability	139
Indemnification agreements - discontinued operations \| Maximum
Guarantor Obligations [Line Items]
Commitments	$ 1,019

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Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12201-110248

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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