Postretirement benefits Schedule of Net Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service Cost	$ 7	$ 4	$ 4
Pension Plan [Member] | UNITED STATES
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation, beginning of year	2,781	3,732
Service Cost	0	0	0
Interest Cost	138	85	70
Actuarial Loss (gain)	82	(890)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(168)	(146)
Curtailments	0	0
Settlements, Benefit obligations	0	0
Foreign currency revaluation, benefit obligations	0	0
Benefit Obligation, end of year	2,833	2,781	3,732
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value, beginning of year	3,316	4,151
Actual Return on Plan Assets	417	(692)
Employer Contributions	24	3
Benefits Paid	(168)	(146)
Settlements	0	0
Foreign currency revaluation, Plan Assets	0	0
Plan assets at fair value, end of year	3,589	3,316	4,151
Defined Benefit Plan, Funded (Unfunded) Status of Plan	756	535
Assets for Plan Benefits, Defined Benefit Plan	801	601
Liability, Defined Benefit Plan	(45)	(66)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	756	535
Pension Plan [Member] | Non - U.S.
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation, beginning of year	697	1,122
Service Cost	7	4	4
Interest Cost	36	23	19
Actuarial Loss (gain)	29	(391)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(38)	(28)
Curtailments	0	0
Settlements, Benefit obligations	(5)	0
Foreign currency revaluation, benefit obligations	17	(33)
Benefit Obligation, end of year	743	697	1,122
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value, beginning of year	938	1,318
Actual Return on Plan Assets	57	(285)
Employer Contributions	15	8
Benefits Paid	(38)	(28)
Settlements	(8)	0
Foreign currency revaluation, Plan Assets	22	(75)
Plan assets at fair value, end of year	986	938	1,318
Defined Benefit Plan, Funded (Unfunded) Status of Plan	243	241
Assets for Plan Benefits, Defined Benefit Plan	300	290
Liability, Defined Benefit Plan	(57)	(49)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	243	241
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation, beginning of year	43	62
Service Cost	0	1	1
Interest Cost	2	1	1
Actuarial Loss (gain)	2	(4)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(12)	(16)
Curtailments	0	0
Settlements, Benefit obligations	0	0
Foreign currency revaluation, benefit obligations	1	(1)
Benefit Obligation, end of year	36	43	62
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value, beginning of year	81	119
Actual Return on Plan Assets	4	(2)
Employer Contributions	1	1
Benefits Paid	(17)	(37)
Settlements	0	0
Foreign currency revaluation, Plan Assets	0	0
Plan assets at fair value, end of year	69	81	$ 119
Defined Benefit Plan, Funded (Unfunded) Status of Plan	33	38
Assets for Plan Benefits, Defined Benefit Plan	54	56
Liability, Defined Benefit Plan	(21)	(18)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	$ 33	$ 38