Benchmark percentage of benefit obligation or market related value of plan assets

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- Definition

Minimum voting securities owned.

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No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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- Definition

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) shares in Millions, $ in Millions		12 Months Ended
	May 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2019
Minimum Voting Securities Owned		20.00%
Research and development costs		$ 807.0	$ 689.0	$ 637.0
Gain (loss) from foreign currency transaction activity		(43.0)	20.0
Share-based compensation expense		$ 51.0	$ 46.0	$ 42.0
Benchmark Percentage of Benefit Obligation or Market Related Value of Plan Assets		10.00%
Plans [Member]
Unissued common shares available for future grants authorized		62
Accounting Standards Update 2014-09 [Member] \| Retained Earnings [Member] \| Subsequent Event [Member]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets					$ 230.0
Accounting Standards Update 2016-02 [Member] \| Subsequent Event [Member]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets					$ 450.0
Minimum [Member]
Equity Method Investment, Ownership Percentage		20.00%
Intangible asset estimated useful lives		4 years
Minimum [Member] \| Stock Compensation Plan [Member]
Share-based compensation award exercisable installment period		1 year
Minimum [Member] \| Restricted Stock [Member]
Share-based compensation award exercisable installment period		1 year
Share-based compensation award expiration period		1 year
Maximum [Member]
Equity Method Investment, Ownership Percentage		50.00%
Intangible asset estimated useful lives		50 years
Maximum [Member] \| Stock Compensation Plan [Member]
Share-based compensation award exercisable installment period		5 years
Share-based compensation award expiration period		10 years
Maximum [Member] \| Restricted Stock [Member]
Share-based compensation award exercisable installment period		10 years
Share-based compensation award expiration period		10 years
Building [Member] \| Minimum [Member]
Estimated useful lives		10 years
Building [Member] \| Maximum [Member]
Estimated useful lives		40 years
Equipment [Member] \| Minimum [Member]
Estimated useful lives		2 years
Equipment [Member] \| Maximum [Member]
Estimated useful lives		20 years
Dow Corning Corporation [Member]
Equity Method Investment, Ownership Percentage	50.00%
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	100.00%
Equity Method Investments	$ 4,800.0