Stockholders' Equity - Restricted Stock Unit Activity (Details) - Restricted Stock Units shares in Millions	3 Months Ended
	Mar. 31, 2023 $ / shares shares
Number of Units
Beginning balance (in shares) | shares	384.4
Units granted (in shares) | shares	13.4
Units vested (in shares) | shares	(15.6)
Units forfeited (in shares) | shares	(15.5)
Ending balance (in shares) | shares	366.7
Weighted-Average Grant-Date Fair Value
Beginning balance (in usd per share) | $ / shares	$ 144
Units granted (in usd per share) | $ / shares	99
Units vested (in usd per share) | $ / shares	120
Units forfeited (in usd per share) | $ / shares	144
Ending balance (in usd per share) | $ / shares	$ 144