Stock-Based Compensation - Changes in Restricted Stock Units (Details) - RSUs	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Restricted Stock Units Outstanding
Balance at beginning of period (in shares) | shares	492,320,000
Granted (in shares) | shares	139,785,000
Vested (in shares) | shares	(159,385,000)
Forfeited (in shares) | shares	(37,917,000)
Balance at end of period (in shares) | shares	434,803,000
Weighted Average Grant Date Fair Value
Balance at beginning of period (in dollars per share) | $ / shares	$ 36.06
Granted (in dollars per share) | $ / shares	43.82
Vested (in dollars per share) | $ / shares	36.68
Forfeited (in dollars per share) | $ / shares	33.15
Balance at end of period (in dollars per share) | $ / shares	$ 38.48