Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Award Performance Period

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

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- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

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- Definition

Net number of non-option equity instruments granted to participants.

+ 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)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions															1 Months Ended	12 Months Ended
	Feb. 10, 2021	Jan. 15, 2021	Oct. 06, 2020	Jul. 07, 2020	Apr. 06, 2020	Feb. 03, 2020	Oct. 14, 2019	Jul. 09, 2019	Apr. 03, 2019	Feb. 04, 2019	Oct. 15, 2018	Jul. 10, 2018	Apr. 11, 2018	Feb. 05, 2018	Jan. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Dividends Payable, Date Declared			Oct. 06, 2020	Jul. 07, 2020	Apr. 06, 2020	Feb. 03, 2020	Oct. 14, 2019	Jul. 09, 2019	Apr. 03, 2019	Feb. 04, 2019	Oct. 15, 2018	Jul. 10, 2018	Apr. 11, 2018	Feb. 05, 2018
Dividends declared per share																$ 1.78	$ 1.92	$ 1.88
Dividends payable, date to be paid			Oct. 23, 2020	Jul. 24, 2020	Apr. 24, 2020	Feb. 21, 2020	Nov. 01, 2019	Jul. 26, 2019	Apr. 22, 2019	Feb. 22, 2019	Nov. 02, 2018	Jul. 27, 2018	May 03, 2018	Feb. 27, 2018
Dividends payable, date of record			Oct. 16, 2020	Jul. 17, 2020	Apr. 17, 2020	Feb. 14, 2020	Oct. 25, 2019	Jul. 19, 2019	Apr. 15, 2019	Feb. 15, 2019	Oct. 26, 2018	Jul. 20, 2018	Apr. 23, 2018	Feb. 16, 2018
Options granted (in shares)																480
Subsequent Event
Subsequent Event [Line Items]
Dividends Payable, Date Declared		Jan. 15, 2021
Dividends declared per share		$ 0.25
Dividends payable, date to be paid		Feb. 01, 2021
Dividends payable, date of record		Jan. 25, 2021
Options granted (in shares)	482,000
Subsequent Event \| Talbot Hall Reentry Center
Subsequent Event [Line Items]
Net proceeds from sale of business															$ 13
Subsequent Event \| Restricted Stock Award
Subsequent Event [Line Items]
Restricted stock granted (in shares)	1,171,000
Subsequent Event \| Performance Shares
Subsequent Event [Line Items]
Restricted stock granted (in shares)	644,000
Performance period	3 years