Earnings Per Share - Computation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net Earnings	$ 4,166	$ 3,781	$ 2,765
Dividend Equivalents on Restricted Stock	0	0	0
Net Earnings, Attributable to Common Shareholders	$ 4,166	$ 3,781	$ 2,765
Denominator:
Average Common Shares Outstanding (in shares)	2,136	2,250	2,300
Other Potentially Dilutive Common Shares (in shares)	5	5	5
Average Common Shares Outstanding, Assuming Dilution (in shares)	2,141	2,255	2,305
Net Earnings Per Share, Basic (in dollars per share)	$ 1.95	$ 1.68	$ 1.20
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 1.95	$ 1.68	$ 1.20