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	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
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	11,346							11,269	77
Other Comprehensive Income (Loss), Net of Tax	$ (84)					(77)			(7)
Common Stock, Dividends, Per Share, Cash Paid	$ 2.7399
Dividends, Common Stock	$ (6,517)							(6,517)
Dividends, Preferred Stock	(210)							(210)
Stock Repurchased During Period, Shares		(52,021)
Stock Repurchased During Period, Value	(7,353)						(7,353)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		12,742
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	1,233			518			715
Stock Issued During Period, Shares, Conversion of Convertible Securities		2,371
Stock Issued During Period, Value, Conversion of Convertible Securities	0		21	3			18
ESOP Debt Impacts	206				95			111
Noncontrolling Interest, Period Increase (Decrease)	(54)			0					(54)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2023		2,356,969
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2023	45,421	$ 4,009	822	66,316	(821)	(12,266)	(130,002)	117,082	281
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2022		2,359,144
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2022	44,725	$ 4,009	831	66,145	(870)	(12,506)	(129,012)	115,858	270
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	3,424							3,397	27
Other Comprehensive Income (Loss), Net of Tax	$ 241					240			1
Common Stock, Dividends, Per Share, Cash Paid	$ 0.9133
Dividends, Common Stock	$ (2,160)							(2,160)
Dividends, Preferred Stock	(69)							(69)
Stock Repurchased During Period, Shares		(9,406)
Stock Repurchased During Period, Value	(1,351)						(1,351)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		6,290
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	523			170			353
Stock Issued During Period, Shares, Conversion of Convertible Securities		941
Stock Issued During Period, Value, Conversion of Convertible Securities	0		9	1			8
ESOP Debt Impacts	105				49			56
Noncontrolling Interest, Period Increase (Decrease)	(17)			0					(17)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2023		2,356,969
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2023	$ 45,421	$ 4,009	$ 822	$ 66,316	$ (821)	$ (12,266)	$ (130,002)	$ 117,082	$ 281