Net Income Per Share - Schedule of Computation of Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator for Basic and Diluted Earnings Per Share -
Net Income -Basic	$ 1,673	$ 2,030	$ 5,152	$ 5,606
Net Income - Diluted	$ 1,673	$ 2,030	$ 5,152	$ 5,606
Denominator for Basic Earnings Per Share -
Weighted Average Shares (in shares)	564	579	569	581
Denominator for Diluted Earnings Per Share -
Adjusted Diluted Weighted Average Shares (in shares)	568	583	573	584
Net Income Per Share
Basic (in USD per share)	$ 2.97	$ 3.51	$ 9.05	$ 9.65
Diluted ( in USD per share)	$ 2.95	$ 3.48	$ 8.99	$ 9.60
Stock Options/SARs/ESPP
Potential Dilutive Common Shares -
Common shares attributable to dilutive effect of share-based payment arrangements (in shares)	1	1	1	1
Restricted Stock/Units and Performance Units
Potential Dilutive Common Shares -
Common shares attributable to dilutive effect of share-based payment arrangements (in shares)	3	3	3	2