Revenue from Contracts with Customers - Estimate at Completion Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Change in Accounting Estimate [Line Items]
Net earnings	$ 57	$ 47	$ 124	$ 94
Impact on diluted earnings per share (in dollars per share)	$ 0.21	$ 0.18	$ 0.46	$ 0.36
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Revenue and operating earnings	$ (10)	$ 6	$ (29)	$ (14)
Total % of revenue	1.00%	1.00%	1.00%	1.00%
Net earnings	$ (8)	$ 5	$ (23)	$ (11)
Impact on diluted earnings per share (in dollars per share)	$ (0.03)	$ 0.02	$ (0.09)	$ (0.04)