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Note 11 - Guarantees (Tables) | 12 Months Ended
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Dec. 31, 2017
Table [Text Block] |
Deferred Revenue, by Arrangement, Disclosure [Table Text Block] |
(in millions) |  |  |  |
Deferred revenue on extended warranties as of December 31, 2015 |  | $ | 27 |
New extended warranty and maintenance arrangements |  |  | 172 |
Recognition of extended warranty and maintenance arrangement revenue |  |  | (175 | )
Deferred revenue on extended warranties as of December 31, 2016 |  |  | 24 |
New extended warranty and maintenance arrangements |  |  | 127 |
Recognition of extended warranty and maintenance arrangement revenue |  |  | (128 | )
Deferred revenue on extended warranties as of December 31, 2017 |  | $ | 23 |

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- Definition Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765 + Details
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- References No definition available. + Details
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