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	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
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	11,830							11,742	88
Other Comprehensive Income (Loss), Net of Tax	$ (153)					(150)			(3)
Common Stock, Dividends, Per Share, Cash Paid	$ 2.8221
Dividends, Common Stock	$ (6,671)							(6,671)
Dividends, Preferred Stock	(209)							(209)
Stock Repurchased During Period, Shares		(22,768)
Stock Repurchased During Period, Value	(3,493)						(3,493)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		18,552
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	1,878			836			1,041
Stock Issued During Period, Shares, Conversion of Convertible Securities		2,232
Stock Issued During Period, Value, Conversion of Convertible Securities	0		18	3			15
ESOP Debt Impacts	184				85			99
Noncontrolling Interest, Period Increase (Decrease)	(98)			0					(98)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2024		2,360,135
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2024	50,333	$ 4,009	801	67,395	(737)	(12,370)	(132,172)	123,132	275
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2023		2,353,021
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2023	48,829	$ 4,009	809	66,935	(782)	(12,167)	(131,887)	121,617	294
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Earnings	3,781							3,754	27
Other Comprehensive Income (Loss), Net of Tax	$ (204)					(203)			(1)
Common Stock, Dividends, Per Share, Cash Paid	$ 0.9407
Dividends, Common Stock	$ (2,221)							(2,221)
Dividends, Preferred Stock	(69)							(69)
Stock Repurchased During Period, Shares		(6,046)
Stock Repurchased During Period, Value	(977)						(977)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		12,201
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised	1,144			459			685
Stock Issued During Period, Shares, Conversion of Convertible Securities		959
Stock Issued During Period, Value, Conversion of Convertible Securities	0		8	1			7
ESOP Debt Impacts	97				45			51
Noncontrolling Interest, Period Increase (Decrease)	(46)			0					(46)
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2024		2,360,135
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2024	$ 50,333	$ 4,009	$ 801	$ 67,395	$ (737)	$ (12,370)	$ (132,172)	$ 123,132	$ 275