Information on Business Segments - Additional Information (Details) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Jun. 26, 2022 USD ($) $ / shares	Dec. 31, 2022 USD ($) segment $ / shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020	Sep. 26, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of business segments | segment		4
Equity method investments		$ 685	$ 689
Non-cash, non-operating pension settlement charge	$ 1,500	1,500	1,700
Non-cash, non-operating pension settlement charge, after tax	$ 1,200	$ 1,200	$ 1,300
Non-cash, non-operating pension settlement charge, per share, after tax (in dollars per share) | $ / shares	$ 4.33	$ 4.33	$ 4.72
Outstanding pension benefit obligations and related plan assets	$ 4,300				$ 4,900
United Launch Alliance
Segment Reporting Information [Line Items]
Percentage of ownership interest in affiliated entity		50.00%
Equity method investments		$ 571	$ 585
Aeronautics | F-35 Program | Net Sales | Product Concentration Risk
Segment Reporting Information [Line Items]
Net sales for the F-35 program representing total consolidated net sales (as a percent)		27.00%		28.00%