Retirement Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Defined Contribution Plan, Cost	$ 152	$ 152	$ 146
Pension Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Defined Contribution Plan, Cost	478	432	398
Assumptions used to determine net benefit cost [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement, Curtailment, and Other	$ 544	244	367
Pension Plan | Global Redesign
Assumptions used to determine net benefit cost [Abstract]
Defined Benefit Plan, Other Cost (Credit)		$ 156	268
Other Postretirement Benefit Plan, Defined Benefit
Weighted average assumptions [Abstract]
Discount Rate	5.48%	2.97%
Average rate of increase in compensation	3.65%	3.46%
Assumptions used to determine net benefit cost [Abstract]
Expected long-term rate of return on assets	0.00%	0.00%
Average rate of increase in compensation	3.46%	3.44%
Defined Benefit Plan, Other Cost (Credit)	$ 0	$ 0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ (1,130)	$ (212)	754
Other Postretirement Benefit Plan Service Cost [Member]
Assumptions used to determine net benefit cost [Abstract]
Discount Rate	3.27%	3.14%
Other Postretirement Benefit Plan Interest Cost [Member]
Assumptions used to determine net benefit cost [Abstract]
Discount Rate	2.49%	1.96%
U.S. Plans | Pension Plan
Weighted average assumptions [Abstract]
Discount Rate	5.51%	2.91%
Average rate of increase in compensation	3.70%	3.50%
Assumptions used to determine net benefit cost [Abstract]
Expected long-term rate of return on assets	5.75%	6.00%
Average rate of increase in compensation	3.50%	3.50%
Defined Benefit Plan, Other Cost (Credit)	$ 46	$ 19	35
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(438)	(70)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 1,191	$ (1,437)	(563)
U.S. Plans | United States Pension Plan US Entity Service Cost [Member]
Assumptions used to determine net benefit cost [Abstract]
Discount Rate	3.12%	3.02%
U.S. Plans | United States Pension Plan US Entity Interest Cost [Member]
Assumptions used to determine net benefit cost [Abstract]
Discount Rate	2.40%	2.00%
Non-U.S. Plans | Pension Plan
Weighted average assumptions [Abstract]
Discount Rate	4.42%	1.75%
Average rate of increase in compensation	3.42%	3.19%
Assumptions used to determine net benefit cost [Abstract]
Expected long-term rate of return on assets	3.29%	3.42%
Average rate of increase in compensation	3.19%	3.34%
Defined Benefit Plan, Other Cost (Credit)	$ 63	$ 156	226
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement			(61)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ (439)	$ (3,216)	$ 836
Non-U.S. Plans | Foreign Pension Plan Service Cost [Member]
Assumptions used to determine net benefit cost [Abstract]
Discount Rate	1.78%	1.44%
Non-U.S. Plans | Foreign Pension Plan Interest Cost [Member]
Assumptions used to determine net benefit cost [Abstract]
Discount Rate	1.54%	1.06%