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Interest Income and Other Non-Operating Income, net (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Other Income and Expenses [Abstract] |  |  |
Non-service pension and OPEB income | $ 1,665 | $ 1,316 | $ 1,262
Interest income | 335 | 266 | 182
Licensing agreements income | 296 | 74 | 94
Revaluation of investments | 258 | (56) | 0
Other | 42 | 45 | 65
Total interest income and other non-operating income, net | $ 2,596 | $ 1,645 | $ 1,603

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- Definition Pension and Other Postretirement Benefits, Nonoperating Income + References No definition available. + Details
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