Share-Based Compensation (Stock Option Activity) (Details) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at the beginning of the period | shares	25
Granted | shares	4
Exercised | shares	(5)
Forfeitures | shares	(1)
Outstanding at the end of the period | shares	23
Exercisable at end of period | shares	13
Vested and expected to vest, end of period | shares	23
Outstanding at beginning of period, Weighted-Average Exercise Price | $ / shares	$ 241
Granted, Weighted-Average Exercise Price | $ / shares	459
Exercised, Weighted-Average Exercise Price | $ / shares	215
Forfeitures, Weighted Average Exercise Price | $ / shares	356
Outstanding at end of period, Weighted-Average Exercise Price | $ / shares	281
Exercisable at end of period, Weighted-Average Exercise Price | $ / shares	213
Vested and expected to vest end of period, Weighted-Average Exercise Price | $ / shares	$ 278
Outstanding at end of period, Weighted Average Remaining Contractual Term (in years)	5 years 9 months 18 days
Exercisable at end of period, Weighted Average Remaining Contractual Term (in years)	4 years 4 months 25 days
Vested and expected to vest end of period, Weighted Average Remaining Contractual Term (in years)	5 years 8 months 13 days
Outstanding at end of period, Aggregate Intrinsic Value | $	$ 5,914
Exercisable at end of period, Aggregate Intrinsic Value | $	4,170
Vested and expected to vest end of period, Aggregate Intrinsic Value | $	$ 5,854