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, 2023		2,362,120
Beginning 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	11,830							11,742	88
Other comprehensive income/(loss)	(153)					(150)			(3)
Dividends and dividend equivalents:
Common	(6,671)							(6,671)
Preferred	(209)							(209)
Treasury stock purchases (in shares)		(22,768)
Treasury stock purchases	(3,493)						(3,493)
Employee stock plans (in shares)		18,552
Employee stock plans	1,878			836			1,041
Preferred stock conversions (in shares)		2,232
Preferred stock conversions	0		(18)	3			15
ESOP debt impacts	184				85			99
Noncontrolling interest, net	(98)								(98)
Ending balance (in shares) at Mar. 31, 2024		2,360,135
Ending balance at Mar. 31, 2024	50,333	$ 4,009	801	67,395	(737)	(12,370)	(132,172)	123,132	275
Beginning balance (in shares) at Dec. 31, 2023		2,353,021
Beginning balance at Dec. 31, 2023	48,829	$ 4,009	809	66,935	(782)	(12,167)	(131,887)	121,617	294
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	3,781							3,754	27
Other comprehensive income/(loss)	(204)					(203)			(1)
Dividends and dividend equivalents:
Common	(2,221)							(2,221)
Preferred	(69)							(69)
Treasury stock purchases (in shares)		(6,046)
Treasury stock purchases	(977)						(977)
Employee stock plans (in shares)		12,201
Employee stock plans	1,144			459			685
Preferred stock conversions (in shares)		959
Preferred stock conversions	0		(8)	1			7
ESOP debt impacts	97				45			51
Noncontrolling interest, net	(46)								(46)
Ending balance (in shares) at Mar. 31, 2024		2,360,135
Ending balance at Mar. 31, 2024	50,333	$ 4,009	801	67,395	(737)	(12,370)	(132,172)	123,132	275
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	12,439							12,359	80
Other comprehensive income/(loss)	590					592			(2)
Dividends and dividend equivalents:
Common	(7,121)							(7,121)
Preferred	(215)							(215)
Treasury stock purchases (in shares)		(34,235)
Treasury stock purchases	(5,813)						(5,813)
Employee stock plans (in shares)		19,662
Employee stock plans	2,033			929			1,104
Preferred stock conversions (in shares)		2,063
Preferred stock conversions	0		(17)	2			15
ESOP debt impacts	150				64			86
Noncontrolling interest, net	(77)								(77)
Ending balance (in shares) at Mar. 31, 2025		2,344,542
Ending balance at Mar. 31, 2025	52,545	$ 4,009	781	68,615	(672)	(11,307)	(138,073)	128,919	273
Beginning balance (in shares) at Dec. 31, 2024		2,344,852
Beginning balance at Dec. 31, 2024	51,443	$ 4,009	788	68,283	(707)	(11,637)	(137,112)	127,544	275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	3,793							3,769	23
Other comprehensive income/(loss)	330					330			1
Dividends and dividend equivalents:
Common	(2,367)							(2,367)
Preferred	(71)							(71)
Treasury stock purchases (in shares)		(7,966)
Treasury stock purchases	(1,351)						(1,351)
Employee stock plans (in shares)		6,836
Employee stock plans	715			331			384
Preferred stock conversions (in shares)		820
Preferred stock conversions	0		(7)	1			6
ESOP debt impacts	79				35			44
Noncontrolling interest, net	(26)								(26)
Ending balance (in shares) at Mar. 31, 2025		2,344,542
Ending balance at Mar. 31, 2025	$ 52,545	$ 4,009	$ 781	$ 68,615	$ (672)	$ (11,307)	$ (138,073)	$ 128,919	$ 273