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Share-Based Compensation - Summary and Changes in Restricted Stock Units Outstanding (Details)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
$ / shares
shares
RSUs  
Number of Units  
Beginning Balance, Unvested (in shares) | shares 2.3
Granted (in shares) | shares 1.1
Released (in shares) | shares (0.9)
Canceled (in shares) | shares (0.1)
Ending Balance, Unvested (in shares) | shares 2.4
Weighted-Average Grant Date Fair Value  
Beginning Balance, Unvested (in USD per share) | $ / shares $ 92.61
Granted (in USD per share) | $ / shares 103.54
Released (in USD per share) | $ / shares 93.46
Canceled (in USD per share) | $ / shares 95.62
Ending Balance, Unvested (in USD per share) | $ / shares $ 97.32
Weighted-Average Remaining Contractual Life and Aggregate Intrinsic Value  
Unvested, weighted average remaining contractual term (in years) 1 year 3 months 18 days
Unvested, aggregate intrinsic value | $ $ 312.5
PRSUs  
Number of Units  
Beginning Balance, Unvested (in shares) | shares 0.5
Granted (in shares) | shares 0.3
Released (in shares) | shares (0.3)
Canceled (in shares) | shares (0.2)
Ending Balance, Unvested (in shares) | shares 0.3
Weighted-Average Grant Date Fair Value  
Beginning Balance, Unvested (in USD per share) | $ / shares $ 101.00
Granted (in USD per share) | $ / shares 97.22
Released (in USD per share) | $ / shares 98.43
Canceled (in USD per share) | $ / shares 115.60
Ending Balance, Unvested (in USD per share) | $ / shares $ 89.23
Weighted-Average Remaining Contractual Life and Aggregate Intrinsic Value  
Unvested, weighted average remaining contractual term (in years) 1 year 8 months 12 days
Unvested, aggregate intrinsic value | $ $ 33.0