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Financing Receivables (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($) agreement | Dec. 31, 2016 USD ($)
Schedule of Financing Receivables [Line Items] |  |
Financing receivable | $ 194 | $ 256
Number of Foninvemem Agreements | agreement | 3 |
Foninvemem Agreement, collection period |  | 10 years
ARGENTINA |  |
Schedule of Financing Receivables [Line Items] |  |
Financing receivable | $ 177 | $ 236
Derivative Assets, Gross | 240 | 255
Brazil |  |
Schedule of Financing Receivables [Line Items] |  |
Financing receivable | $ 17 | $ 20

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- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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