Amounts in Paragraphs - Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 30, 2021
Summary of Significant Accounting Policies (Amounts in paragraphs)
Research and development expenses	$ 1,200	$ 1,100	$ 1,100
Research and Development as a Percent of Sales	3.30%	3.20%	2.90%
Inventory for Long-term Contracts or Programs, General and Administrative Costs Included in Inventory	$ 59	$ 44
Cash surrender value of life insurance	$ 367	440
Stock plans, vesting period	3 years
Disposal Group, Including Discontinued Operation, Consideration				$ 3,400
Pre-tax gain on sale of business		2,000
Revenue from Sale of Equipment to a Customer			$ 444
Proceeds from sale of equipment to a customer	$ 155	84	205
Capital Expenditures Incurred but Not yet Paid	$ 113	$ 91	$ 72