SEGMENT FINANCIAL DATA- Reconciliation of Operating Profit Loss From Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment profit	$ 7,689	$ 7,212	$ 6,665
Interest and other financial charges	(414)	(343)	(359)
Repositioning and other charges	(1,266)	(569)	(575)
Income before taxes	6,379	7,235	6,012
Other Postretirement Benefits
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Pension ongoing income (expense) and postretirement income	41	71	58
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Interest and other financial charges	(414)	(343)	(359)
Stock compensation expense	(188)	(217)	(168)
Pension mark-to-market expense	(523)	(40)	(44)
Repositioning and other charges	(1,266)	(569)	(575)
Other	47	38	(349)
Income before taxes	6,379	7,235	6,012
Segment Reconciling Items \| Pension ongoing income—non-service
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Pension ongoing income (expense) and postretirement income	993	1,083	785
Segment Reconciling Items \| Other Postretirement Benefits
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Pension ongoing income (expense) and postretirement income	$ 41	$ 71	$ 57

Other income (expense) excluding equity of affiliated companies

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