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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 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			318,299						185,422						503,721						123.07
Vested			(160,927)						(7,368)						(168,295)						93.34
Forfeited			(20,073)						(26,096)						(46,169)						103.65
Unvested balance, June 30, 2020			584,979						476,036						1,061,015						$	113.31

The aggregate fair values of RSAs and PSUs granted and vested are presented in the following table:

			Six Months Ended June 30,
			2020						2019
			(In millions)
Granted:
RSAs			$	39					$	30
PSUs			23						19
Total granted			$	62					$	49
Vested:
RSAs			$	20					$	18
PSUs			1						2
Total vested			$	21					$	20

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- References

No definition available.

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- 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=120381028&loc=d3e5070-113901

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