Pensions and Other Postretirement Benefit Plans - Reconciliation of Benefit Obligations and Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
United States
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 937	$ 1,005
Change in projected benefit obligations
Projected benefit obligation at beginning of year	1,005	995
Acquisitions	0	0
Service costs	0	0	$ 0
Interest costs	46	47	27
Settlements	0	0
Plan participants' contributions	0	0
Actuarial (gains)/losses	(32)	42
Benefits paid	(81)	(79)
Currency translation and other	0	0
Projected benefit obligation at end of year	937	1,005	995
Change in fair value of plan assets
Fair value of plan assets at beginning of year	947	937
Acquisitions	0	0
Actual return on plan assets	22	84
Employer contributions	7	5
Settlements	0	0
Plan participants' contributions	0	0
Benefits paid	(81)	(79)
Currency translation and other	0	0
Fair value of plan assets at end of year	895	947	937
Funded status	(43)	(58)
Amounts recognized in balance sheet
Noncurrent assets	5	0
Current liability	(5)	(6)
Noncurrent liabilities	(42)	(52)
Net amount recognized	(43)	(58)
Amounts recognized in accumulated other comprehensive items
Net actuarial loss/(gain)	218	217
Prior service (credits)/cost	0	0
Net amount recognized	218	217
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	1,079	1,166
Change in projected benefit obligations
Projected benefit obligation at beginning of year	1,221	1,069
Acquisitions	0	15
Service costs	28	26	34
Interest costs	40	42	20
Settlements	(29)	(37)
Plan participants' contributions	10	9
Actuarial (gains)/losses	(59)	65
Benefits paid	(26)	(25)
Currency translation and other	(49)	57
Projected benefit obligation at end of year	1,135	1,221	1,069
Change in fair value of plan assets
Fair value of plan assets at beginning of year	944	868
Acquisitions	0	15
Actual return on plan assets	(37)	29
Employer contributions	37	36
Settlements	(29)	(37)
Plan participants' contributions	10	9
Benefits paid	(26)	(25)
Currency translation and other	(32)	49
Fair value of plan assets at end of year	867	944	$ 868
Funded status	(268)	(277)
Amounts recognized in balance sheet
Noncurrent assets	57	65
Current liability	(12)	(11)
Noncurrent liabilities	(313)	(331)
Net amount recognized	(268)	(277)
Amounts recognized in accumulated other comprehensive items
Net actuarial loss/(gain)	156	151
Prior service (credits)/cost	(7)	(5)
Net amount recognized	$ 149	$ 146