Organization and Significant Accounting Policies - Schedule Of Effect Of Profit Booking Rate Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Sales	$ 954	$ 1,173	$ 1,559
Segment operating profit (loss)	$ 75	$ (180)	$ 1,585
% of segment operating profit (loss)	1.00%	(3.00%)	21.00%
Net earnings (loss)	$ 59	$ (142)	$ 1,252
Diluted earnings per share (in dollars per share)	$ 0.25	$ (0.59)	$ 4.98