Earnings Per Share - Schedule of Computation of Basic Earnings Per Share, Assuming Dilution (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended													6 Months Ended	9 Months Ended				12 Months Ended
	Sep. 30, 2024		Jun. 30, 2024	[1]	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
Numerator:
Net Earnings	$ 894	[1]	$ 963		$ 880	[1]	$ 882	$ 828	[2]	$ 984	[3]	$ 974	[3]	$ 1,958	$ 2,737	[2]	$ 2,786	[2]	$ 3,668	$ 4,114
Denominator:
Average Common Shares Outstanding (in shares)	1,936							1,994	[2]						1,946	[2]	2,022	[2]
Other Potentially Dilutive Common Shares (in shares)	4							5							4		5
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,940							1,999	[2]						1,950	[2]	2,027	[2]
Net Earnings Per Share, Basic (in dollars per share)	$ 0.46				$ 0.45		$ 0.45	$ 0.42	[2]	$ 0.49		$ 0.47		$ 0.96	$ 1.41	[2]	$ 1.38	[2]	$ 1.83	$ 1.93
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.46				$ 0.45		$ 0.45	$ 0.41	[2]	$ 0.49		$ 0.47		$ 0.96	$ 1.40	[2]	$ 1.37	[2]	$ 1.82	$ 1.92

[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.