Earnings Per Share - Computation of Basic Earnings Per Share, Assuming Dilution (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net Earnings	$ 893	$ 987
Denominator:
Average Common Shares Outstanding (in shares)	1,958	2,054
Other Potentially Dilutive Common Shares (in shares)	4	4
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,962	2,058
Net Earnings Per Share, Basic (in dollars per share)	$ 0.46	$ 0.48
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.46	$ 0.48