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Changes in Contract Estimates at Completion (Net EAC Adjustments) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Change in Accounting Estimate [Line Items]
Total net sales	$ (18)	$ (63)	$ (163)	$ (78)
Operating profit	2,523	2,028	6,704	4,427
Income attributable to common shareowners	$ 1,918	$ 1,472	$ 5,110	$ 3,292
Diluted earnings per share attributable to common shareowners (in dollars per share)	$ 1.41	$ 1.09	$ 3.77	$ 2.45
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Operating profit	$ (35)	$ (91)	$ (310)	$ (315)
Income attributable to common shareowners	$ (28)	$ (72)	$ (245)	$ (249)
Diluted earnings per share attributable to common shareowners (in dollars per share)	$ (0.02)	$ (0.05)	$ (0.18)	$ (0.19)

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