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Commitments And Contingencies (Narrative) (Details) - USD ($) shares in Millions, $ in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 02, 2018 | Dec. 31, 2017 | Sep. 30, 2018 | Nov. 01, 2018 | Apr. 01, 2018
East China JV [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Preexisting ownership percentage |  |  |  |  | 50.00%
Payments to Acquire Interest in Joint Venture |  | $ 1,440.8 |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value |  | $ 1,440.8 | $ 1,400.0 |  |
Taiwan JV [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Preexisting ownership percentage |  |  |  |  | 50.00%
Subsequent Event [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Accelerated Share Repurchases, Settlement (Payment) or Receipt | $ 5,000.0 |  |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  |  |  | 120 |
Accelerated Share Repurchase, Date Entered | Oct. 02, 2018 |  |  |  |
Accelerated Share Repurchases, Cash or Stock Settlement | approximates 80 percent of the total number of shares to be repurchased under the ASR agreements. |  |  |  |
Repurchase Agreements [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Other Commitment |  |  | $ 5,000.0 |  |

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- Definition The up-front payment in exchange for initial delivery of Company shares under the accelerated repurchase arrangement ("ASR agreements"). Shareholders' equity is charged for this amount in the period of payment. This payment is distinct from a "settlement" cash or share transaction, which takes place at the conclusion of the ASR. + References No definition available. + Details
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- Definition Description of the nature of the settlement (cash or stock) of the accelerated share repurchases agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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- Definition Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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