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Legal Proceedings Additional Information (Details) $ in Millions, ¥ in Billions | 1 Months Ended |
--- | --- | ---
Aug. 31, 2017 JPY (¥) | Mar. 31, 2015 plaintiff claim | Dec. 29, 2017 USD ($)
Loss Contingencies [Line Items] |  |  |
Number of plaintiffs | plaintiff |  | 2 |
New claims filed, number |  | 3 |
Loss contingency, pending claims, number |  | 2 |
Loss contingency, damages sought, value | ¥ | ¥ 120 |  |
Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, range of possible loss, maximum | $ |  |  | $ 177

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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
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