OPERATING SEGMENTS - Reconciliation of Assets, Property, Plant and Equipment Additions and Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Assets	$ 187,788	$ 198,874
Continuing operations
Segment Reporting Information [Line Items]
Assets	184,896	195,697	$ 215,463
Property, plant and equipment additions	1,371	1,286	1,579
Depreciation and amortization	3,543	3,009	3,464
Operating segments | Aerospace | Continuing operations
Segment Reporting Information [Line Items]
Assets	39,243	38,298	38,634
Property, plant and equipment additions	543	445	737
Depreciation and amortization	1,037	1,074	1,142
Operating segments | Renewable Energy | Continuing operations
Segment Reporting Information [Line Items]
Assets	15,719	14,804	15,927
Property, plant and equipment additions	275	349	302
Depreciation and amortization	412	432	413
Operating segments | Power | Continuing operations
Segment Reporting Information [Line Items]
Assets	22,173	23,569	24,453
Property, plant and equipment additions	210	189	245
Depreciation and amortization	506	692	749
Operating segments | HealthCare | Continuing operations
Segment Reporting Information [Line Items]
Assets	26,070	24,770	22,229
Property, plant and equipment additions	310	278	256
Depreciation and amortization	640	641	628
Corporate | Continuing operations
Segment Reporting Information [Line Items]
Assets	81,692	94,256	114,220
Property, plant and equipment additions	34	25	40
Depreciation and amortization	$ 948	$ 168	$ 531