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
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net Earnings	$ 829	$ 646	$ 963	$ 880	$ 1,475	$ 1,843
Denominator:
Average Common Shares Outstanding (in shares)	1,867		1,944		1,878	1,951
Other Potentially Dilutive Common Shares (in shares)	2		4		3	4
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,869		1,948		1,881	1,955
Net Earnings Per Share, Basic (in dollars per share)	$ 0.44		$ 0.50		$ 0.79	$ 0.94
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.44		$ 0.49		$ 0.78	$ 0.94