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		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator for Basic and Diluted Earnings Per Share -
Net Income -Basic	$ 1,690	$ 1,553	$ 3,479	$ 3,576
Net Income - Diluted	$ 1,690	$ 1,553	$ 3,479	$ 3,576
Denominator for Basic Earnings Per Share -
Weighted Average Shares (in shares)	569	580	572	582
Denominator for Diluted Earnings Per Share -
Adjusted Diluted Weighted Average Shares (in shares)	572	584	575	586
Net Income Per Share
Basic (in USD per share)	$ 2.97	$ 2.68	$ 6.08	$ 6.14
Diluted ( in USD per share)	$ 2.95	$ 2.66	$ 6.05	$ 6.10
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)	2	3	2	3