Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 503	$ 770	$ 635	$ 3,096
Other comprehensive income (loss), net of tax:
Foreign currency translation	6	110	180	351
Pension and postretirement	(12)	(17)	(24)	(33)
Cash flow hedges	(1)	13	2	23
Total other comprehensive income (loss)	(7)	106	158	341
Comprehensive income	496	876	793	3,437
Less: Noncontrolling interests in subsidiaries	2	(23)	(6)	(23)
Comprehensive income common stockholders	$ 494	$ 899	$ 799	$ 3,460