Share-Based Compensation - Stock Options (Details) - Stock Options $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Number  of Options (000’s)
Beginning balance, outstanding (in shares) | shares	6,720
Granted (in shares) | shares	361
Exercised (in shares) | shares	(1,225)
Cancelled or expired (in shares) | shares	(31)
Ending balance, outstanding (in shares) | shares	5,825
Exercisable (in shares) | shares	4,926
Average Exercise Price
Beginning balance, outstanding (in dollars per share) | $ / shares	$ 164.03
Granted (in dollars per share) | $ / shares	354.16
Exercised (in dollars per share) | $ / shares	137.78
Cancelled or expired (in dollars per share) | $ / shares	311.86
Ending balance, outstanding (in dollars per share) | $ / shares	180.58
Exercisable (in dollars per share) | $ / shares	$ 159.18
Average Remaining Life
Outstanding at December 31, 2023	5 years
Exercisable at December 31, 2023	4 years 4 months 24 days
Aggregate Intrinsic Value
Outstanding at December 31, 2023 | $	$ 1,341
Exercisable at December 31, 2023 | $	$ 1,239