Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Preferred Stock	Additional Paid-In Capital	Reserve for ESOP Debt Retirement	Accumulated Other Comprehensive Income/(Loss)	Treasury Stock	Retained Earnings	Noncontrolling Interest
Beginning balance (in shares) at Jun. 30, 2021		2,429,706
Beginning balance at Jun. 30, 2021	$ 46,654	$ 4,009	$ 870	$ 64,848	$ (1,006)	$ (13,744)	$ (114,973)	$ 106,374	$ 276
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings/(Loss)	14,793							14,742	51
Other comprehensive income/(loss)	1,547					1,555			(8)
Dividends and dividend equivalents ($3.5227 per share):
Common	(8,514)							(8,514)
Preferred	(281)							(281)
Treasury stock purchases (in shares)		(67,088)
Treasury stock purchases	(10,003)						(10,003)
Employee stock plans (in shares)		28,042
Employee stock plans	2,516			945			1,571
Preferred stock conversions (in shares)		3,217
Preferred stock conversions	0		(27)	4			23
ESOP debt impacts	198				90			108
Noncontrolling interest, net	(56)			(2)					(54)
Ending balance (in shares) at Jun. 30, 2022		2,393,877
Ending balance at Jun. 30, 2022	46,854	$ 4,009	843	65,795	(916)	(12,189)	(123,382)	112,429	265
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings/(Loss)	14,738							14,653	85
Other comprehensive income/(loss)	(38)					(31)			(7)
Dividends and dividend equivalents ($3.5227 per share):
Common	(8,742)							(8,742)
Preferred	(282)							(282)
Treasury stock purchases (in shares)		(52,021)
Treasury stock purchases	(7,353)						(7,353)
Employee stock plans (in shares)		17,424
Employee stock plans	1,736			758			978
Preferred stock conversions (in shares)		2,840
Preferred stock conversions	0		(24)	3			21
ESOP debt impacts	207				95			112
Noncontrolling interest, net	(55)								(55)
Ending balance (in shares) at Jun. 30, 2023		2,362,120
Ending balance at Jun. 30, 2023	47,065	$ 4,009	819	66,556	(821)	(12,220)	(129,736)	118,170	288
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings/(Loss)	14,974							14,879	95
Other comprehensive income/(loss)	317					320			(3)
Dividends and dividend equivalents ($3.5227 per share):
Common	(9,053)							(9,053)
Preferred	(284)							(284)
Treasury stock purchases (in shares)		(31,877)
Treasury stock purchases	(5,014)						(5,014)
Employee stock plans (in shares)		24,095
Employee stock plans	2,478			1,125			1,353
Preferred stock conversions (in shares)		2,713
Preferred stock conversions	0		(21)	3			18
ESOP debt impacts	184				85			99
Noncontrolling interest, net	(108)								(108)
Ending balance (in shares) at Jun. 30, 2024		2,357,051
Ending balance at Jun. 30, 2024	$ 50,559	$ 4,009	$ 798	$ 67,684	$ (737)	$ (11,900)	$ (133,379)	$ 123,811	$ 272