RETIREMENT BENEFIT PLANS - Retirement Benefits Expense (Details) - Pension plans - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
UNITED STATES
Retirement benefits plans expense (income)
Service cost	$ 5	$ 5	$ 9	$ 10
Interest cost	34	35	67	71
Expected return on plan assets	(48)	(49)	(95)	(98)
Amortization	3	1	5	2
Total	(6)	(8)	(14)	(15)
Settlements	10	10	19	19
Total expense	4	2	5	4
Non-United States plans
Retirement benefits plans expense (income)
Service cost	11	10	23	21
Interest cost	22	21	43	42
Expected return on plan assets	(33)	(30)	(66)	(60)
Amortization	2	3	5	4
Total	2	4	5	7
Settlements	2	0	3	1
Total expense	$ 4	$ 4	$ 8	$ 8

Total Benefit Plans.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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