POSTRETIREMENT BENEFIT PLANS - Narrative (Details)	3 Months Ended		12 Months Ended
	Dec. 31, 2023 USD ($) benefit_plan payment_installment	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) payment_installment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Plan asset or obligation reporting threshold			$ 50,000,000	$ 20,000,000	$ 20,000,000
Defined benefit plan, number of annual installments upon retirement | payment_installment	10		10
Fair value of assets						$ 18,908,000,000
Projected benefit obligations						22,953,000,000
Defined benefit plan, expected future employer contributions, next fiscal year	$ 336,000,000		$ 336,000,000
Number of plans with employee termination payment | benefit_plan	2
Weighted average health care cost trend rate assumed, initial rate	6.50%		6.50%
Weighted average health care cost trend rate assumed, ultimate rate	5.00%		5.00%
Expected amortization of net actuarial gain, next fiscal year	$ (116,000,000)		$ (116,000,000)
Expected amortization of prior service credit, next fiscal year	(81,000,000)		(81,000,000)
Defined contribution plan, employer contribution amount			122,000,000	123,000,000	119,000,000
U.S.
Defined Benefit Plan Disclosure [Line Items]
Cost of postretirement benefit plans				73,000,000	96,000,000
Non U.S.
Defined Benefit Plan Disclosure [Line Items]
Cost of postretirement benefit plans				11,000,000	22,000,000
Level 3 | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets	626,000,000		626,000,000	61,000,000
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets						18,908,000,000
Projected benefit obligations						21,743,000,000
Pension Plans | Principal Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan asset	0		0
Cost of postretirement benefit plans			(290,000,000)
Fair value of assets	14,700,000,000		14,700,000,000	0
Projected benefit obligations	18,160,000,000		18,160,000,000	0
Defined benefit plan, employer contribution amount			142,000,000
Loss due to curtailment			17,000,000
Benefit obligation, increase for curtailment			(30,000,000)
AOCI, decrease due to remeasurement			(47,000,000)
Settlement charge			0
Pension Plans | Principal Pension Plans | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets	14,700,000,000		14,700,000,000
Pension Plans | GE HealthCare Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets	14,700,000,000		14,700,000,000
Projected benefit obligations	$ 16,138,000,000		$ 16,138,000,000
Funded percentage	91.00%		91.00%
Loss due to curtailment		$ 17,000,000
Benefit obligation, increase for curtailment		23,000,000
AOCI, decrease due to remeasurement		$ 305,000,000
Pension Plans | GE HealthCare Supplemental Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligations	$ 2,022,000,000		$ 2,022,000,000
Defined benefit plan, employer contribution amount			142,000,000
Pension Plans | Other Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan asset	712,000,000		712,000,000	65,000,000
Cost of postretirement benefit plans			44,000,000	9,000,000	25,000,000
Fair value of assets	4,518,000,000		4,518,000,000	382,000,000
Projected benefit obligations	4,588,000,000		4,588,000,000	640,000,000
Defined benefit plan, employer contribution amount			84,000,000
Loss due to curtailment			0	0	0
Benefit obligation, increase for curtailment			0
AOCI, decrease due to remeasurement			(61,000,000)	0	0
Settlement charge	61,000,000		61,000,000	0	$ 0
Pension Plans | Other Pension Plans | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets	4,518,000,000		4,518,000,000	425,000,000
Pension Plans | Level 3 | Principal Pension Plans | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets	595,000,000		595,000,000
Pension Plans | Level 3 | Other Pension Plans | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of assets	31,000,000		31,000,000	61,000,000
OPEB Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan asset	0		0
Cost of postretirement benefit plans			(86,000,000)
Fair value of assets	0		0	0		0
Projected benefit obligations	$ 1,133,000,000		1,133,000,000	0		$ 1,210,000,000
Defined benefit plan, employer contribution amount			131,000,000
Loss due to curtailment			0
Benefit obligation, increase for curtailment			0
AOCI, decrease due to remeasurement			0
Settlement charge			$ 0
GE Sponsored Pension And Retiree Health And Life Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan liability				0
Defined benefit plan asset				$ 0