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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Restricted Share Activity

Activity for RSAs and PSUs is summarized below:

			RSAs						Weighted Average Grant Date Fair Value						PSUs						Weighted Average Grant Date Fair Value
Unvested balance, December 31, 2019			447,680						$	102.41					324,078						$	101.45
Granted			334,233						125.99						187,028						123.09
Vested			(166,115)						96.19						(7,368)						68.16
Forfeited			(26,439)						114.48						(29,271)						98.72
Unvested balance, September 30, 2020			589,359						$	116.99					474,467						$	110.67

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

			Nine Months Ended September 30,
			2020						2019
			(In millions)
Granted:
RSAs			$	42					$	32
PSUs			23						19
Total granted			$	65					$	51
Vested:
RSAs			$	21					$	18
PSUs			1						2
Total vested			$	22					$	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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