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, 2023	Mar. 31, 2022
Numerator:
Net Earnings	$ 987	$ 859
Denominator:
Average Common Shares Outstanding (in shares)	2,054	2,188
Other Potentially Dilutive Common Shares (in shares)	4	5
Average Common Shares Outstanding, Assuming Dilution (in shares)	2,058	2,193
Net Earnings Per Share, Basic (in dollars per share)	$ 0.48	$ 0.39
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.48	$ 0.39