Other Financial Statement Details Gains (Losses) on Equity Investments, Net (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 29, 2018 |
Dec. 30, 2017 |
Dec. 31, 2016 |
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| Gain (Loss) on Securities [Line Items] | |||
| Observable price adjustments on non-marketable equity securities1 | $ (153) | $ (223) | $ (38) |
| Impairment charges | (424) | (833) | (187) |
| Total gains (losses) on equity investments, net | $ (125) | $ 2,651 | $ 506 |
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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