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, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator for Basic and Diluted Earnings Per Share -
Net income -basic	$ 1,553	$ 2,238	$ 3,576	$ 2,628
Net income - diluted	$ 1,553	$ 2,238	$ 3,576	$ 2,628
Denominator for Basic Earnings Per Share -
Weighted average shares (in shares)	580	583	582	582
Denominator for Diluted Earnings Per Share -
Adjusted diluted weighted average shares (in shares)	584	588	586	587
Net Income Per Share
Basic (in USD per share)	$ 2.68	$ 3.84	$ 6.14	$ 4.52
Diluted ( in USD per share)	$ 2.66	$ 3.81	$ 6.10	$ 4.48
Stock Options/SARs/ESPP
Potential Dilutive Common Shares -
Common shares attributable to dilutive effect of share-based payment arrangements (in shares)	1	2	1	2
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	3