Employee Stock-Based Compensation and Benefit Plans (Schedule of Non-vested Stock Unit Activity) (Details) - Non-vested stock	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Number of Shares
Non-vested stock units at December 31, 2020 (in shares) | shares	5,185,045
Granted (in shares) | shares	3,313,313
Vested (in shares) | shares	(2,674,194)
Forfeited (in shares) | shares	(929,454)
Non-vested stock units at December 31, 2021 (in shares) | shares	4,894,710
Weighted- Average Exercise Price
Non-vested stock units at December 31, 2020 (in dollars per share) | $ / shares	$ 116.86
Granted (in dollars per share) | $ / shares	127.65
Vested (in dollars per share) | $ / shares	109.46
Forfeited (in dollars per share) | $ / shares	126.54
Non-vested stock units at December 31, 2021 (in dollars per share) | $ / shares	$ 126.25