XML 69 R55.htm IDEA: XBRL DOCUMENT v3.20.2
SHARE-BASED COMPENSATION - Summary of RSU Activity (Details) - Restricted Stock Units (RSUs)
shares in Millions
6 Months Ended
Jun. 30, 2020
$ / shares
shares
Shares  
Unvested beginning balance (in shares) | shares 1.9
Granted (in shares) | shares 0.7
Vested (in shares) | shares (0.7)
Forfeited (in shares) | shares (0.1)
Unvested ending balance (in shares) | shares 1.8
Weighted Average Grant Date Fair Value  
Unvested beginning balance (usd per share) | $ / shares $ 410.09
Granted (usd per share) | $ / shares 535.67
Vested (usd per share) | $ / shares 337.48
Forfeited (usd per share) | $ / shares 456.38
Unvested ending balance (usd per share) | $ / shares $ 481.89