RETIREMENT BENEFITS - Schedule of Defined Benefit Obligations and Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of plan assets at beginning of year	$ 2,212
Fair value of plan assets at end of year	1,927	$ 2,212
Other non-current assets	234	284
Other non-current liabilities	(400)	(480)
Pension Plans, Defined Benefit
Defined Benefit Plan, Change in Benefit Obligation
Benefit obligations at beginning of year	2,238	1,976
Service cost—benefits earned during the year	33	29
Interest cost	74	80
Settlements and curtailments	(247)	(41)
Actuarial (gains)/losses	(10)	165
Benefits paid	(58)	(65)
Foreign currency and other	(85)	94
Benefit obligations at end of year	1,945	2,238
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of plan assets at beginning of year	2,212	2,027
Actual return on plan assets	31	130
Employer contributions	71	56
Settlements	(247)	(38)
Benefits paid	(58)	(65)
Foreign currency and other	(82)	102
Fair value of plan assets at end of year	1,927	2,212
Funded status	(18)	(26)
Other non-current assets	234	284
Other current liabilities	(21)	(20)
Other non-current liabilities	(231)	(290)
Funded status	(18)	(26)
Net actuarial losses	924	994
Prior service credit	(27)	(21)
Total	$ 897	$ 973