POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan liability					$ 0
Plan asset or obligation reporting threshold			$ 50,000,000	$ 20,000,000
Defined benefit plan, expected future employer contributions, current year	$ 353,000,000		353,000,000
Defined benefit plan, expected future employer contributions, plans no longer disclosed	11,000,000		11,000,000
Defined contribution plan, employer contribution amount	33,000,000	$ 35,000,000	66,000,000	66,000,000
Pension plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic postretirement benefit plan (income) expense	(85,000,000)	3,000,000	(165,000,000)	6,000,000
Defined benefit plan, employer contribution amount			107,000,000
Other postretirement plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic postretirement benefit plan (income) expense	$ (21,000,000)	0	(42,000,000)	0
Defined benefit plan, employer contribution amount			$ 73,000,000
U.S. GE Principal Pension and Principal Retiree Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic postretirement benefit plan (income) expense		25,000,000		49,000,000
Non-U.S. GE Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net periodic postretirement benefit plan (income) expense		$ 12,000,000		$ 16,000,000