Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 6,950	$ 7,725	$ 6,375
Basic (in shares)	392	394	396
Plus effect of: stock options and restricted stock units (shares)	2	3	3
Diluted weighted average shares (shares)	394	397	399
Basic Earnings Per Share (in dollars per share)	$ 17.75	$ 19.62	$ 16.09
Diluted Earnings Per Share (in dollars per share)	$ 17.63	$ 19.46	$ 15.96
Antidilutive stock options excluded from diluted weighted averages shares (shares)	2	1	1