XML 22 R26.htm IDEA: XBRL DOCUMENT
v3.20.1

Stockholders' Equity (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Equity [Abstract] |
Restricted Share Activity | Activity for RSAs and PSUs is summarized below:
| RSAs |  | PSUs |  | Total |  | Weighted Average Grant Date Fair Value
Unvested balance, December 31, 2019 | 447,680 |  |  | 324,078 |  |  | 771,758 |  |  | $ | 102.01 |
Granted | 294,319 |  |  | 160,929 |  |  | 455,248 |  |  | 122.20 |
Vested | (151,110 | ) |  | (7,368 | ) |  | (158,478 | ) |  | 92.92 |
Forfeited | (12,202 | ) |  | (22,826 | ) |  | (35,028 | ) |  | 101.60 |
Unvested balance, March 31, 2020 | 578,687 |  |  | 454,813 |  |  | 1,033,500 |  |  | $ | 112.31 |
The aggregate fair values of RSAs and PSUs granted and vested are presented in the following table:
| Three Months Ended March 31,
| 2020 |  | 2019
| (In millions)
Granted: |  |  |
RSAs | $ | 36 |  |  | $ | 30 |
PSUs | 19 |  |  | 18 |
Total granted | $ | 55 |  |  | $ | 48 |
Vested: |  |  |
RSAs | $ | 19 |  |  | $ | 16 |
PSUs | 1 |  |  | 2 |
Total vested | $ | 20 |  |  | $ | 18 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration