POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Plan asset or obligation reporting threshold			$ 50
Defined benefit plan, expected future employer contributions, next fiscal year	$ 336		336
Defined contribution plan, employer contribution amount	27	$ 28	100	$ 94
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Curtailment loss		17
OPEB Plans
Defined Benefit Plan Disclosure [Line Items]
Curtailment loss	0	0	0	0
Defined benefit plan, employer contribution amount			99
GE HealthCare Supplemental Pension Plan | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, employer contribution amount			91
Other Pension Plans | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Curtailment loss	$ 0	$ 0	0	$ 0
Defined benefit plan, employer contribution amount			$ 67