Consolidated Statements Of Earnings (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Interest income	$ 18	$ 4	$ 38	$ 7
Discontinued operation taxes	39	56	1,005	140
Earnings from continuing operations common stockholders	530	428	859	1,174
Earnings from discontinued operations common stockholders	262	246	2,264	396
Net earnings common stockholders	$ 792	$ 674	$ 3,123	$ 1,570
Earnings Per Share, Basic	$ 1.39	$ 1.13	$ 5.41	$ 2.64
Earnings from continuing operations, per basic share	0.93	0.72	1.49	1.97
Earnings from discontinued operations, per basic share	0.46	0.41	3.92	0.67
Earnings Per Share, Diluted	1.38	1.13	5.38	2.63
Earnings from continuing operations, per diluted share	0.92	0.72	1.48	1.96
Earnings from discontinued operations, per diluted share	$ 0.46	$ 0.41	$ 3.90	$ 0.67
Earnings from continuing operations	$ 505	$ 429	$ 829	$ 1,175
Discontinued operations, net of tax: $39, $56, $1,005 and $140, respectively	$ 265	$ 246	$ 2,267	$ 395