Changes in Contract Estimates at Completion (Schedule of Change in Accounting Estimate) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Change in Accounting Estimate [Line Items]
Total Net Sales	$ 97	$ 52
Operating profit	1,080	1,013
Income from continuing operations attributable to common shareowners	$ 1,103	$ 772
Diluted earnings per share from continuing operations attributable to common shareholders (1)	$ 0.74	$ 0.51
Contracts Accounted for under Percentage of Completion [Member]
Change in Accounting Estimate [Line Items]
Operating profit	$ 36	$ 12
Income from continuing operations attributable to common shareowners	$ 28	$ 9
Diluted earnings per share from continuing operations attributable to common shareholders (1)	$ 0.02	$ 0.01

Amount after tax of income (loss) from continuing operations attributable to the parent.

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- Definition

The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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