Postretirement benefits Schedule of Net Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service Cost	$ 4	$ 4	$ 4
Pension Plan [Member] | UNITED STATES
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation, beginning of year	3,732	3,967
Service Cost	0	0	0
Interest Cost	85	70	99
Actuarial Loss (gain)	(890)	(161)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(146)	(133)
Curtailments	0	0
Settlements, Benefit obligations	0	(11)
Foreign currency revaluation, benefit obligations	0	0
Benefit Obligation, end of year	2,781	3,732	3,967
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value, beginning of year	4,151	3,739
Actual Return on Plan Assets	(692)	543
Employer Contributions	3	13
Benefits Paid	(146)	(133)
Settlements	0	(11)
Foreign currency revaluation, Plan Assets	0	0
Plan assets at fair value, end of year	3,316	4,151	3,739
Defined Benefit Plan, Funded (Unfunded) Status of Plan	535	419
Assets for Plan Benefits, Defined Benefit Plan	601	492
Liability, Defined Benefit Plan	(66)	(73)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	535	419
Pension Plan [Member] | Non - U.S.
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation, beginning of year	1,122	1,199
Service Cost	4	4	4
Interest Cost	23	19	22
Actuarial Loss (gain)	(391)	(47)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(28)	(33)
Curtailments	0	0
Settlements, Benefit obligations	0	0
Foreign currency revaluation, benefit obligations	(33)	(20)
Benefit Obligation, end of year	697	1,122	1,199
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value, beginning of year	1,318	1,284
Actual Return on Plan Assets	(285)	83
Employer Contributions	8	8
Benefits Paid	(28)	(33)
Settlements	0	0
Foreign currency revaluation, Plan Assets	(75)	(24)
Plan assets at fair value, end of year	938	1,318	1,284
Defined Benefit Plan, Funded (Unfunded) Status of Plan	241	196
Assets for Plan Benefits, Defined Benefit Plan	290	214
Liability, Defined Benefit Plan	(49)	(18)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	241	196
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation, beginning of year	62	86
Service Cost	1	1	1
Interest Cost	1	1	2
Actuarial Loss (gain)	(4)	(10)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(16)	(15)
Curtailments	0	0
Settlements, Benefit obligations	0	0
Foreign currency revaluation, benefit obligations	(1)	(1)
Benefit Obligation, end of year	43	62	86
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value, beginning of year	119	120
Actual Return on Plan Assets	(2)	(1)
Employer Contributions	1	15
Benefits Paid	(37)	(15)
Settlements	0	0
Foreign currency revaluation, Plan Assets	0	0
Plan assets at fair value, end of year	81	119	$ 120
Defined Benefit Plan, Funded (Unfunded) Status of Plan	38	57
Assets for Plan Benefits, Defined Benefit Plan	56	77
Liability, Defined Benefit Plan	(18)	(20)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	$ 38	$ 57