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, 2024		2,357,051
Beginning balance at Jun. 30, 2024	$ 50,559	$ 4,009	$ 798	$ 67,684	$ (737)	$ (11,900)	$ (133,379)	$ 123,811	$ 272
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	3,987							3,959	28
Other comprehensive income/(loss)	1,007					1,006			1
Dividends and dividend equivalents:
Common	(2,378)							(2,378)
Preferred	(72)							(72)
Treasury stock purchases (in shares)		(11,552)
Treasury stock purchases	(1,942)						(1,942)
Employee stock plans (in shares)		8,769
Employee stock plans	910			417			492
Preferred stock conversions (in shares)		774
Preferred stock conversions	0		(7)	1			6
ESOP debt impacts	71				30			41
Ending balance (in shares) at Sep. 30, 2024		2,355,042
Ending balance at Sep. 30, 2024	52,141	$ 4,009	791	68,102	(707)	(10,893)	(134,823)	125,361	300
Beginning balance (in shares) at Jun. 30, 2025		2,341,994
Beginning balance at Jun. 30, 2025	52,284	$ 4,009	777	68,770	(672)	(12,143)	(138,702)	129,973	272
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	4,781							4,750	31
Other comprehensive income/(loss)	(19)					(13)			(6)
Dividends and dividend equivalents:
Common	(2,482)							(2,482)
Preferred	(73)							(73)
Treasury stock purchases (in shares)		(8,025)
Treasury stock purchases	(1,258)						(1,258)
Employee stock plans (in shares)		1,954
Employee stock plans	255			146			110
Preferred stock conversions (in shares)		811
Preferred stock conversions	0		(7)	1			6
ESOP debt impacts	79				35			44
Noncontrolling interest, net	(16)								(16)
Ending balance (in shares) at Sep. 30, 2025		2,336,734
Ending balance at Sep. 30, 2025	$ 53,551	$ 4,009	$ 770	$ 68,917	$ (637)	$ (12,156)	$ (139,845)	$ 132,212	$ 281