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, 2020		2,479,746
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Jun. 30, 2020	$ 46,878	$ 4,009	$ 897	$ 64,194	$ (1,080)	$ (16,165)	$ (105,573)	$ 100,239	$ 357
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	11,444							11,400	44
Other Comprehensive Income (Loss), Net of Tax	$ 682					676			6
Common Stock, Dividends, Per Share, Cash Paid	$ 2.3721
Dividends, Common Stock	$ (5,887)							(5,887)
Dividends, Preferred Stock	(197)							(197)
Stock Repurchased During Period, Shares		(59,212)
Stock Repurchased During Period, Value	(8,009)						(8,009)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		24,945
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	1,899			484			1,415
Stock Issued During Period, Shares, Conversion of Convertible Securities		2,754
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(24)	(4)			(20)
ESOP Debt Impacts	193				74			119
Noncontrolling Interest, Period Increase (Decrease)	(84)								(84)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2021		2,448,233
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2021	46,919	$ 4,009	873	64,682	(1,006)	(15,489)	(112,147)	105,674	323
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2020		2,462,476
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2020	48,540	$ 4,009	885	64,672	(1,072)	(15,091)	(109,583)	104,361	359
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	3,249							3,269	(20)
Other Comprehensive Income (Loss), Net of Tax	$ (399)					(398)			(1)
Common Stock, Dividends, Per Share, Cash Paid	$ 0.7907
Dividends, Common Stock	$ (1,952)							(1,952)
Dividends, Preferred Stock	(65)							(65)
Stock Repurchased During Period, Shares		(23,085)
Stock Repurchased During Period, Value	(3,001)						(3,001)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		7,605
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	435			8			427
Stock Issued During Period, Shares, Conversion of Convertible Securities		1,237
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(12)	(2)			(10)
ESOP Debt Impacts	127				66			61
Noncontrolling Interest, Period Increase (Decrease)	(15)								(15)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2021		2,448,233
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2021	46,919	$ 4,009	873	64,682	(1,006)	(15,489)	(112,147)	105,674	323
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	11,735							11,690	45
Other Comprehensive Income (Loss), Net of Tax	$ 292					296			(4)
Common Stock, Dividends, Per Share, Cash Paid	$ 2.6094
Dividends, Common Stock	$ (6,318)							(6,318)
Dividends, Preferred Stock	(208)							(208)
Stock Repurchased During Period, Shares		(58,695)
Stock Repurchased During Period, Value	(8,753)						(8,753)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		25,531
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	2,198			764			1,434
Stock Issued During Period, Shares, Conversion of Convertible Securities		2,755
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(24)	(4)			(20)
ESOP Debt Impacts	197				90			107
Noncontrolling Interest, Period Increase (Decrease)	(51)			(2)					(49)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2022		2,399,297
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2022	45,746	$ 4,009	846	65,614	(916)	(13,448)	(122,272)	111,645	268
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2021		2,397,066
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2021	44,893	$ 4,009	856	65,432	(965)	(13,564)	(121,543)	110,393	275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	3,367							3,355	12
Other Comprehensive Income (Loss), Net of Tax	$ 112					116			(4)
Common Stock, Dividends, Per Share, Cash Paid	$ 0.8698
Dividends, Common Stock	$ (2,092)							(2,092)
Dividends, Preferred Stock	(68)							(68)
Stock Repurchased During Period, Shares		(7,909)
Stock Repurchased During Period, Value	(1,249)						(1,249)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		9,108
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	692			180			512
Stock Issued During Period, Shares, Conversion of Convertible Securities		1,032
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(10)	(2)			(8)
ESOP Debt Impacts	106				49			57
Noncontrolling Interest, Period Increase (Decrease)	(15)			0					(15)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2022		2,399,297
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2022	$ 45,746	$ 4,009	$ 846	$ 65,614	$ (916)	$ (13,448)	$ (122,272)	$ 111,645	$ 268