RETIREMENT-RELATED BENEFITS - Defined Contribution Retirement Plans and Nonpension Postretirement (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Retirement-Related Benefit Plans Disclosures [Line Items]
Defined contribution plans cost	$ 142	$ 35	$ 165	$ 194
Retirement and nonpension postretirement benefit obligations	504	716	856
Non Pension Postretirement Benefit Plans
Retirement-Related Benefit Plans Disclosures [Line Items]
Retirement and nonpension postretirement benefit obligations	$ 10	$ 17	$ 19

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 45
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-URI https://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant