Stock-Based Compensation (Flexible Stock Plan Options) (Details) - Flexible Stock Plan shares in Thousands	Dec. 31, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Issuance	15,500
Maximum Number of Authorized Shares	22,500
Unexercised options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Issuance	300
Maximum Number of Authorized Shares	300
Outstanding stock units—vested
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Issuance	3,300
Maximum Number of Authorized Shares	8,400
Outstanding stock units—unvested
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Issuance	1,000
Maximum Number of Authorized Shares	2,900
Available for grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Issuance	10,900
Maximum Number of Authorized Shares	10,900

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ 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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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