Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2024	Jan. 31, 2024	Apr. 30, 2023	Jan. 31, 2023	Apr. 30, 2024	Apr. 30, 2023
Pay vs Performance Disclosure
Net earnings	$ 607	$ 622	$ 1,054	$ 469	$ 1,229	$ 1,523

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details