POSTRETIREMENT BENEFIT PLANS - Composition of Plan Assets, Pension Plans -Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Principal pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 19,020	$ 29,744	$ 44,993
Principal pension | GE Pension Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	844	1,203
Principal pension | GE Pension Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,288	4,034
Principal pension | GE Pension Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,235	12,703
Other pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,592	10,764	14,663
Other pension | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	9	26
Other pension | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	28	786
Other pension | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,713	4,913
Principal retiree benefit plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 6	$ 8	$ 10