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	AOCI Attributable to Parent	Treasury Stock	Retained Earnings	Noncontrolling Interest
BEGINNING BALANCE (in shares) at Jun. 30, 2017		2,553,297
BEGINNING BALANCE at Jun. 30, 2017	$ 55,778	$ 4,009	$ 1,006	$ 63,641	$ (1,249)	$ (14,632)	$ (93,715)	$ 96,124	$ 594
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	9,861							9,750	111
Other Comprehensive Income (Loss), Net of Tax	(119)					(117)			(2)
Dividends to shareholders:
Dividends, Common Stock	(7,057)							(7,057)
Dividends, Preferred Stock	(265)							(265)
Treasury Stock, Shares, Acquired		(81,439)
Payments for Repurchase of Common Stock and Stock Receipts	(7,004)						(7,004)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		21,655
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	1,668			199			1,469
Stock Issued During Period, Shares, Conversion of Convertible Securities		4,580
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(39)	6			33
ESOP Debt Impacts	134				45			89
Noncontrolling Interest, Period Increase (Decrease)	(113)								(113)
ENDING BALANCE (in shares) at Jun. 30, 2018		2,498,093
ENDING BALANCE at Jun. 30, 2018	52,883	$ 4,009	967	63,846	(1,204)	(14,749)	(99,217)	98,641	590
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	(553)					(326)		(200)	(27)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	3,966							3,897	69
Other Comprehensive Income (Loss), Net of Tax	140					139			1
Dividends to shareholders:
Dividends, Common Stock	(7,256)							(7,256)
Dividends, Preferred Stock	(263)							(263)
Treasury Stock, Shares, Acquired		(53,714)
Payments for Repurchase of Common Stock and Stock Receipts	(5,003)						(5,003)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		55,734
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	3,874			93			3,781
Stock Issued During Period, Shares, Conversion of Convertible Securities		4,638
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(39)	6			33
ESOP Debt Impacts	157				58			99
Noncontrolling Interest, Period Increase (Decrease)	(366)			(118)					(248)
ENDING BALANCE (in shares) at Jun. 30, 2019		2,504,751
ENDING BALANCE at Jun. 30, 2019	47,579	$ 4,009	928	63,827	1,146	(14,936)	(100,406)	94,918	385
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	13,103							13,027	76
Other Comprehensive Income (Loss), Net of Tax	(1,245)					(1,229)			(16)
Dividends to shareholders:
Dividends, Common Stock	(7,551)							(7,551)
Dividends, Preferred Stock	(263)							(263)
Treasury Stock, Shares, Acquired		(61,346)
Payments for Repurchase of Common Stock and Stock Receipts	(7,405)						(7,405)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		32,603
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	2,574			362			2,212
Stock Issued During Period, Shares, Conversion of Convertible Securities		3,738
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(31)	5			26
ESOP Debt Impacts	174				66			108
Noncontrolling Interest, Period Increase (Decrease)	(88)								(88)
ENDING BALANCE (in shares) at Jun. 30, 2020		2,479,746
ENDING BALANCE at Jun. 30, 2020	$ 46,878	$ 4,009	$ 897	$ 64,194	$ (1,080)	$ (16,165)	$ (105,573)	$ 100,239	$ 357