XML 56 R45.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity - Restricted Stock Unit Activity (Details) - Restricted Stock Units
shares in Millions
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Number of Units  
Beginning balance (in shares) | shares 14.3
Units granted (in shares) | shares 7.1
Units vested (in shares) | shares (4.0)
Units forfeited (in shares) | shares (1.0)
Ending balance (in shares) | shares 16.4
Weighted-Average Grant-Date Fair Value  
Beginning balance (in usd per share) | $ / shares $ 1,458
Units granted (in usd per share) | $ / shares 2,281
Units vested (in usd per share) | $ / shares 1,168
Units forfeited (in usd per share) | $ / shares 1,571
Ending balance (in usd per share) | $ / shares $ 1,879