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 [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]
Common Stock, Shares, Outstanding, Beginning Balance at Jun. 30, 2021		2,429,706
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, 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	4,126							4,112	14
Other Comprehensive Income (Loss), Net of Tax	$ (318)					(318)			0
Common Stock, Dividends, Per Share, Cash Paid	$ 0.8698
Dividends, Common Stock	$ (2,118)							(2,118)
Dividends, Preferred Stock	(70)							(70)
Stock Repurchased During Period, Shares		(19,353)
Stock Repurchased During Period, Value	(2,750)						(2,750)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		8,437
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	774			300			474
Stock Issued During Period, Shares, Conversion of Convertible Securities		1,158
Stock Issued During Period, Value, Conversion of Convertible Securities	0		11	2			9
ESOP Debt Impacts	105				42			63
Noncontrolling Interest, Period Increase (Decrease)	5			(2)					7
Common Stock, Shares, Outstanding, Ending Balance at Sep. 30, 2021		2,419,948
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2021	46,408	$ 4,009	859	65,148	(964)	(14,062)	(117,240)	108,361	297
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