Changes in Contract Estimates at Completion (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Change in Accounting Estimate [Line Items]
Total net sales	$ (46)	$ (18)
Operating profit	2,035	1,870
Income attributable to common shareowners	$ 1,535	$ 1,709
Diluted earnings per share attributable to common shareowners (in dollars per share)	$ 1.14	$ 1.28
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Operating profit	$ (158)	$ (162)
Income attributable to common shareowners	$ (125)	$ (128)
Diluted earnings per share attributable to common shareowners (in dollars per share)	$ (0.09)	$ (0.10)