Revision of Prior Period Financial Statements - Schedule of Consolidated Statement of Changes in Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended														6 Months Ended		9 Months Ended				12 Months Ended
	Sep. 30, 2024	[1]	Jun. 30, 2024		Mar. 31, 2024		Dec. 31, 2023		Sep. 30, 2023		Jun. 30, 2023		Mar. 31, 2023		Jun. 30, 2023		Sep. 30, 2024		Sep. 30, 2023		Dec. 31, 2023		Dec. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ 12,620		$ 12,441	[1]	$ 11,985	[2]	$ 11,756	[3]	$ 12,074	[3]	$ 12,155	[3]	$ 12,469	[3]	$ 12,469	[3]	$ 11,985	[2]	$ 12,469	[3]	$ 12,469	[3]	$ 13,451
Net Earnings	894		963	[1]	880	[1]	882		828	[4]	984	[3]	974	[3]	1,958		2,737	[4]	2,786	[4]	3,668		4,114
Other Comprehensive Income	1		3	[1]	6	[1]			18	[3]	(4)	[3]	2	[3]			10				131		(34)
Total Comprehensive Earnings (Note 10)	895		966	[1]	886	[1]	997		846	[3]	980	[3]	976	[3]	1,956		2,747	[4]	2,802	[4]	3,799		4,080
Stock Option Exercises and Other	59		15	[1]	53	[1]			34	[3]	33	[3]	13	[3]									99
Excise Tax on Net Share Repurchases	(4)		(6)	[1]	(1)	[1]			(9)	[3]	(9)	[3]	(10)	[3]
Ending Balance	12,936		12,620	[1]	12,441	[1]	11,985	[2]	11,756	[3]	12,074	[3]	12,155	[3]	12,074	[3]	12,936	[1]	11,756	[3]	11,985	[2]	12,469	[3]
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	10,189		10,011	[1]	9,609	[1]	9,513	[3]	9,852	[3]	9,935	[3]	10,229	[3]	10,229	[3]	9,609	[1]	10,229	[3]	10,229	[3]	11,549
Net Earnings	894		963	[1]	880	[1]			828	[3]	984	[3]	974	[3]							3,668		4,114
Stock Option Exercises and Other			1	[1]	(2)	[1]					(1)	[3]											(2)
Excise Tax on Net Share Repurchases	(4)		(6)	[1]	(1)	[1]			(9)	[3]	(9)	[3]	(10)	[3]
Ending Balance	10,457		10,189	[1]	10,011	[1]	9,609	[1]	9,513	[3]	9,852	[3]	9,935	[3]	9,852	[3]	10,457	[1]	9,513	[3]	9,609	[1]	10,229	[3]
Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(270)	[5]	(273)	[1],[5]	(279)	[1],[5]	(394)	[3],[6]	(412)	[3],[6]	(408)	[3],[6]	(410)	[3],[6]	(410)	[3],[6]	(279)	[1],[5]	(410)	[3],[6]	(410)	[3],[6]	(376)
Other Comprehensive Income	1	[5]	3	[1],[5]	6	[1],[5]			18	[3],[6]	(4)	[3],[6]	2	[3],[6]							131		(34)
Ending Balance	$ (269)	[5]	(270)	[1],[5]	(273)	[1],[5]	(279)	[1],[5]	(394)	[3],[6]	(412)	[3],[6]	(408)	[3],[6]	(412)	[3],[6]	(269)	[1],[5]	(394)	[3],[6]	(279)	[1],[5]	(410)	[3],[6]
As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			12,602		12,133		11,954		12,274		12,334		12,625		12,625		12,133		12,625		12,625		13,500
Net Earnings					893		886		846		996		987		1,983				2,829		3,715		4,166
Other Comprehensive Income																					76		20
Total Comprehensive Earnings (Note 10)					899		946		864		992		989		1,981				2,845		3,791		4,186
Stock Option Exercises and Other									33														100
Excise Tax on Net Share Repurchases									(28)
Ending Balance					12,602		12,133		11,954		12,274		12,334		12,274				11,954		12,133		12,625
As Previously Reported | Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			10,205		9,790		9,689		10,030		10,092		10,363		10,363		9,790		10,363		10,363		11,630
Net Earnings					893				846		996		987								3,715		4,166
Stock Option Exercises and Other									(1)														(1)
Excise Tax on Net Share Repurchases									(28)
Ending Balance					10,205		9,790		9,689		10,030		10,092		10,030				9,689		9,790		10,363
As Previously Reported | Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			(306)		(312)		(372)		(390)		(386)		(388)		(388)		(312)		(388)		(388)		(408)
Other Comprehensive Income																					76		20
Ending Balance					(306)		(312)		(372)		(390)		(386)		(390)				(372)		(312)		(388)
Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			(161)		(148)		(198)		(200)		(179)		(156)		(156)		(148)		(156)		(156)		(49)
Net Earnings					(13)		(4)		(18)		(12)		(13)		(25)				(43)		(47)		(52)
Other Comprehensive Income																					55		(54)
Total Comprehensive Earnings (Note 10)					(13)		51		(18)		(12)		(13)		(25)				(43)		8		(106)
Stock Option Exercises and Other									1														(1)
Excise Tax on Net Share Repurchases									19		(9)		(10)
Ending Balance					(161)		(148)		(198)		(200)		(179)		(200)				(198)		(148)		(156)
Adjustment | Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			(194)		(181)		(176)		(178)		(157)		(134)		(134)		(181)		(134)		(134)		(81)
Net Earnings					(13)				(18)		(12)		(13)								(47)		(52)
Stock Option Exercises and Other									1														(1)
Excise Tax on Net Share Repurchases									19		(9)		(10)
Ending Balance					(194)		(181)		(176)		(178)		(157)		(178)				(176)		(181)		(134)
Adjustment | Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			$ 33		33		(22)		(22)		(22)		(22)		(22)		$ 33		(22)		(22)		32
Other Comprehensive Income																					55		(54)
Ending Balance					$ 33		$ 33		$ (22)		$ (22)		$ (22)		$ (22)				$ (22)		$ 33		$ (22)

[1] See Note 11, Revision of Prior Period Financial Statements.

[2] See Note 11, Revision of Prior Period Financial Statements.

[3] See Note 11, Revision of Prior Period Financial Statements.

[4] See Note 11, Revision of Prior Period Financial Statements.

[5] Accumulated Other Comprehensive Loss balances shown above are net of tax. The associated taxes were $74 million as of December 31, 2023, $72 million as of March 31, 2024, $72 million as of June 30, 2024 and $71 million as of September 30, 2024. For additional information, see Note 10, Other Comprehensive Income.

[6] Accumulated Other Comprehensive Loss balances shown above are net of tax. The associated taxes were $129 million as of December 31, 2022, $128 million as of March 31, 2023, $114 million as of June 30, 2023 and $108 million as of September 30, 2023. For additional information, see Note 10, Other Comprehensive Income.