Investments, Equity Investments (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 25, 2021 |
Sep. 26, 2020 |
Sep. 25, 2021 |
Sep. 26, 2020 |
Dec. 26, 2020 |
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| Investments, All Other Investments [Abstract] | |||||
| Marketable Securities | $ 2,064 | $ 2,064 | $ 1,830 | ||
| Cost Method Investments | 3,970 | 3,970 | 3,304 | ||
| Equity Method Investments | 16 | 16 | 18 | ||
| Equity Investments | 6,050 | 6,050 | $ 5,152 | ||
| Mark to market on marketable equity securities1 | (192) | $ (146) | (345) | $ (84) | |
| Observable price adjustments on non-marketable | 79 | 5 | 702 | 142 | |
| Impairments | (38) | (40) | (111) | (233) | |
| Other Net Equity Investments | 1,858 | 237 | 2,124 | 387 | |
| Gain (Loss) on Investments | 1,707 | 56 | 2,370 | 212 | |
| Net gains (losses) recognized during the period on equity securities | 346 | 19 | 883 | 102 | |
| Less: Net (gains) losses recognized during the period on equity securities sold during the period | (46) | (12) | (189) | (87) | |
| Unrealized gains (losses) recognized during the reporting period on equity securities still held at the reporting date | $ 300 | $ 7 | $ 694 | $ 15 | |
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- Definition Equity Investments No definition available.
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- Definition Equity Securities, FV-NI, Gain (Loss), Net No definition available.
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- Definition Observable price adjustments on non-marketable No definition available.
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- Definition Other Net Equity Investments No definition available.
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- References No definition available.
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- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI). No definition available.
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- Definition Includes other investments and securities that are not at fair value as of the balance sheet date and those that are not accounted for under the equity method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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