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Investments In And Advances To Affiliates (Narrative) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) entity facility | Dec. 31, 2016 entity
Schedule Of Equity Method Investments [Line Items] |  |
Amount of credit facility provided to unconsolidated affiliates | $ 78 |
Number of unconsolidated affiliates provided with credit facilities by the entity | entity | 4 |
Number of credit facilities with outstanding balance | facility | 3 |
Outstanding balance of credit facilities | $ 32 |
Due to Affiliate, Current | $ 79 |
Interest rate on due to affiliate, percentage | 3.26% |
Wilmar International Limited [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Equity Method Investment, Ownership Percentage | 24.90% | 23.20%
Carrying value of direct investments | $ 3,800 |
Market value of direct investments | $ 3,600 |
Minimum [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Credit facility, basis spread on floating interest rate | 3.74% |
Maximum [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Credit facility, basis spread on floating interest rate | 4.74% |
Equity Method Investments [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Number of unconsolidated affiliates | entity | 56 | 59
Undistributed earnings of unconsolidated affiliates | $ 2,100 |

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- Definition Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 4: 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(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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