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Other Income, Net (Schedule of Other Income) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Component of Other Income [Line Items] |  |  |  |  |
Net exchange (losses) gains |  | $ (59) |  | $ (121) |
Other income net |  | 306 |  | 372 |
Pre-tax benefit on associated accrued interest reversals |  | 50 |  |  |
Other Income [Member] |  |  |  |  |
Component of Other Income [Line Items] |  |  |  |  |
Royalty income |  | 45 |  | 57 |
Interest income |  | 25 |  | 16 |
Equity in earnings of affiliates, net |  | 18 |  | 10 |
Net gain on sales of businesses and other assets |  | 192 | [1] | 373 | [2]
Net exchange (losses) gains |  | (59) |  | (121) |
Miscellaneous income and expenses, net | [3] | 85 |  | 37 |
Other income net |  | 306 |  | 372 |
Food Safety Diagnostic Business [Member] |  |  |  |  |
Component of Other Income [Line Items] |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  | 162 |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Net of tax |  | 86 |  |  |
Ownership interest in DuPont (Shenzhen) Manufacturing Limited [Member] |  |  |  |  |
Component of Other Income [Line Items] |  |  |  |  |
Gain on sale of entity |  |  |  | 369 |
Gain on sale of entity, after-tax |  |  |  | $ 214 |
Continuing Operations [Member] |  |  |  |  |
Component of Other Income [Line Items] |  |  |  |  |
Pre-tax benefit on associated accrued interest reversals |  | $ 47 |  |  |
[1] | Includes a pre-tax gain of $162 ($86 net of tax) for the three months ended March 31, 2017 related to the sale of the global food safety diagnostic business. See Note 3 for additional information.
[2] | Includes a pre-tax gain of $369 ($214 net of tax) for the three months ended March 31, 2016 related to the sale of DuPont (Shenzhen) Manufacturing Limited. See Note 3 for additional information.
[3] | Miscellaneous income and expenses, net, includes interest items, gains related to litigation settlements, and other items. For the three months ended March 31, 2017, the amount includes a $47 benefit associated with accrued interest reversals related to a reduction in the company's unrecognized tax benefits due to the closure of various tax statutes of limitations. See Note 6 for additional information.

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