PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Total pension assets for U.S. and non-U.S. plans (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
U.S. Pension Plans
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	$ 3,896	$ 3,761
U.S. Pension Plans | Cash and Cash Equivalents
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	171	160
U.S. Pension Plans | Equity Securities, US based companies
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	471	469
U.S. Pension Plans | Equity Securities, International based companies
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	325	248
U.S. Pension Plans | Government bonds
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	906	626
U.S. Pension Plans | Corporate bonds and debt securities
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	210	442
U.S. Pension Plans | Mutual, pooled and commingled funds
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	297	210
U.S. Pension Plans | Hedge funds/limited partnerships
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	883	1,004
U.S. Pension Plans | Real Assets
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	343	341
U.S. Pension Plans | Derivative financial instruments
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	(2)	0
U.S. Pension Plans | Other
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	292	261
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	2,627	2,674
Non-U.S. Pension Plans | Cash and Cash Equivalents
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	958	419
Non-U.S. Pension Plans | Equity Securities, US based companies
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	61	582
Non-U.S. Pension Plans | Equity Securities, International based companies
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	56	455
Non-U.S. Pension Plans | Government bonds
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	444	383
Non-U.S. Pension Plans | Corporate bonds and debt securities
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	174	104
Non-U.S. Pension Plans | Mutual, pooled and commingled funds
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	375	477
Non-U.S. Pension Plans | Hedge funds/limited partnerships
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	16	19
Non-U.S. Pension Plans | Real Assets
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	0	0
Non-U.S. Pension Plans | Derivative financial instruments
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	(7)	(63)
Non-U.S. Pension Plans | Other
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets	$ 550	$ 298