CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Reserve for ESOP Debt Retirement [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common	Retained Earnings [Member]	Noncontrolling Interest [Member]
Common Stock, Shares, Outstanding, Beginning Balance at Jun. 30, 2022		2,393,877
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning 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	3,963							3,939	24
Other Comprehensive Income (Loss), Net of Tax	$ (627)					(622)			(5)
Common Stock, Dividends, Per Share, Cash Paid	$ 0.9133
Dividends, Common Stock	$ (2,189)							(2,189)
Dividends, Preferred Stock	(71)							(71)
Stock Repurchased During Period, Shares		(28,189)
Stock Repurchased During Period, Value	(4,000)						(4,000)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		3,011
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	328			159			169
Stock Issued During Period, Shares, Conversion of Convertible Securities		998
Stock Issued During Period, Value, Conversion of Convertible Securities	0		9	1			8
ESOP Debt Impacts	101				46			55
Noncontrolling Interest, Period Increase (Decrease)	(25)			0					(25)
Common Stock, Shares, Outstanding, Ending Balance at Sep. 30, 2022		2,369,697
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2022	44,334	$ 4,009	834	65,955	(870)	(12,811)	(127,205)	114,163	259
Common Stock, Shares, Outstanding, Beginning Balance at Jun. 30, 2023		2,362,120
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, 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	4,556							4,521	35
Other Comprehensive Income (Loss), Net of Tax	$ (366)					(363)			(2)
Common Stock, Dividends, Per Share, Cash Paid	$ 0.9407
Dividends, Common Stock	$ (2,225)							(2,225)
Dividends, Preferred Stock	(70)							(70)
Stock Repurchased During Period, Shares		(9,843)
Stock Repurchased During Period, Value	(1,508)						(1,508)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		3,721
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	474			265			209
Stock Issued During Period, Shares, Conversion of Convertible Securities		888
Stock Issued During Period, Value, Conversion of Convertible Securities	0		7	1			6
ESOP Debt Impacts	87				39			48
Noncontrolling Interest, Period Increase (Decrease)	0			0					0
Common Stock, Shares, Outstanding, Ending Balance at Sep. 30, 2023		2,356,886
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2023	$ 48,014	$ 4,009	$ 812	$ 66,822	$ (782)	$ (12,583)	$ (131,029)	$ 120,443	$ 321