Pension, Other Postretirement Benefits and Savings Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)
Termination assets	$ 380
Estimated obligations termination	375
Prescription drug subsidy (less than)	$ 1
Weighted average discount rate	3.00%	2.10%
Defined contribution plans, contribution expenses	$ 127	$ 116	$ 100
Private Equity and Private Credit Securities
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	5.00%
Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	92.00%
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	2.00%
Real Estate Funds
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	1.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to funded non-U.S. pension plans in next year	$ 50
Minimum
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to funded non-U.S. pension plans in next year	25
United States
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	4,077	5,780
Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 2,167	3,385
Non-U.S. | Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	90.00%
Non-U.S. | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	5.00%
Non-U.S. | Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 176	226
Pension benefit obligation	211	253
AOCL adjustment	$ 28	57
Non-U.S. | Define Real Estate Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation	5.00%
Pension Plan [Member] | United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 21
Pension Plan [Member] | United States
Defined Benefit Plan Disclosure [Line Items]
Settlement Charges	124	43	28
Curtailment credit (charge)			24
Termination benefit charge			4
Service cost	13	9	4
Benefits cost	157	55	$ 77
Postretirement benefits funded status	$ 90	$ (78)
Weighted average discount rate	2.74%	1.72%	2.66%
Assumed weighted average long term rate of return	4.23%	3.74%	4.22%
Pension benefit obligation	$ 4,084	$ 5,798	$ 5,235
AOCL adjustment	1,839	2,157
Pension Plan [Member] | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments And Special Termination Benefits			6
Service cost	24	30	30
Benefits cost	40	65	$ 67
Postretirement benefits funded status	$ (184)	$ (192)
Weighted average discount rate	2.32%	1.82%	2.26%
Assumed weighted average long term rate of return	2.64%	2.27%	2.52%
Pension benefit obligation	$ 2,227	$ 3,464	$ 3,382
AOCL adjustment	457	491
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	3	3	2
Benefits cost	16	9	1
Postretirement benefits funded status	(292)	(406)
Pension benefit obligation	292	406	236
AOCL adjustment	(100)	2
Other Postretirement Benefits Plan [Member] | United States
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments And Special Termination Benefits			4
Termination benefit charge			5
Benefits cost	12	5	$ 1
Postretirement benefits funded status	$ 205	$ 292
Weighted average discount rate	2.33%	1.97%	2.68%
Other Postretirement Benefits Plan [Member] | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Benefits cost	$ 4	$ 4	$ 0
Postretirement benefits funded status	$ 87	$ 114
Weighted average discount rate	6.65%	6.54%	5.68%