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Operating Segments, Geographic Analysis and Major Customers (Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Operating segments, geographical analysis and major customers |  |
Long-lived assets | $ 19,416 | $ 20,408
U.S. |  |
Operating segments, geographical analysis and major customers |  |
Long-lived assets | 6,259 | 6,257
Norway |  |
Operating segments, geographical analysis and major customers |  |
Long-lived assets | 3,203 | 3,260
Greece |  |
Operating segments, geographical analysis and major customers |  |
Long-lived assets | 2,760 | 1,103
Other countries |  |
Operating segments, geographical analysis and major customers |  |
Long-lived assets | $ 7,194 | $ 9,788

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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