RETIREMENT BENEFITS PLANS - Obligations and Funded Status (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Funded status
Fair value of plan assets	$ 3,993	$ 4,237
Pension plans | United States
Funded status
Fair value of plan assets	2,445	2,604	$ 2,635
Benefit obligations	(2,700)	(2,824)	(2,807)
Funded status	(255)	(220)
Amounts recognized in the Consolidated Balance Sheets
Other assets	0	0
Other current liabilities	(29)	(18)
Pension liabilities and Other postretirement benefits liabilities	(226)	(202)
Total	(255)	(220)
Amounts recognized in Accumulated other comprehensive loss (pre-tax)
Net actuarial loss (gain)	904	867
Prior service cost (credit)	5	4
Total	909	871	811
Pension plans | Non-United States plans
Funded status
Fair value of plan assets	1,548	1,633	1,486
Benefit obligations	(1,863)	(2,022)	(1,813)
Funded status	(315)	(389)
Amounts recognized in the Consolidated Balance Sheets
Other assets	231	210
Other current liabilities	(31)	(33)
Pension liabilities and Other postretirement benefits liabilities	(515)	(566)
Total	(315)	(389)
Amounts recognized in Accumulated other comprehensive loss (pre-tax)
Net actuarial loss (gain)	678	649
Prior service cost (credit)	6	12
Total	684	661	505
Other postretirement benefits plans
Funded status
Fair value of plan assets	18	17	16
Benefit obligations	(196)	(212)	(209)
Funded status	(178)	(195)
Amounts recognized in the Consolidated Balance Sheets
Other assets	0	0
Other current liabilities	(14)	(15)
Pension liabilities and Other postretirement benefits liabilities	(164)	(180)
Total	(178)	(195)
Amounts recognized in Accumulated other comprehensive loss (pre-tax)
Net actuarial loss (gain)	(87)	(92)
Prior service cost (credit)	0	(1)
Total	$ (87)	$ (93)	$ (120)