Financial Instruments - Carrying Values for Marketable and Non-marketable Equity Securities (Details) - USD ($) $ in Millions |
Sep. 30, 2023 |
Dec. 31, 2022 |
---|---|---|
Marketable Equity Securities | ||
Total initial cost | $ 5,331 | $ 5,764 |
Cumulative net gain (loss) | (358) | (608) |
Carrying value | 4,973 | 5,156 |
Non-Marketable Equity Securities | ||
Total initial cost | 17,504 | 16,157 |
Cumulative net gain (loss) | 11,317 | 12,372 |
Carrying value | 28,821 | 28,529 |
Total | ||
Total initial cost | 22,835 | 21,921 |
Cumulative net gain (loss) | 10,959 | 11,764 |
Carrying value | 33,794 | 33,685 |
Cumulative net gain of non-marketable securities | 18,000 | 16,800 |
Unrealized loss of non-marketable securities | $ 6,700 | $ 4,500 |
X | ||||||||||
- Definition Equity Securities, FV-NI, Accumulated Gross Unrealized Gain (Loss), Before Tax No definition available.
|
X | ||||||||||
- Definition Equity Securities, FV-NI And Without Readily Determinable Fair Value, Accumulated Gross Unrealized Gain (Loss), Before Tax No definition available.
|
X | ||||||||||
- Definition Equity Securities, FV-NI And Without Readily Determinable Fair Value, Cost No definition available.
|
X | ||||||||||
- Definition Equity Securities Without Readily Determinable Fair Value, Accumulated Gross Unrealized Gain (Loss), Before Tax No definition available.
|
X | ||||||||||
- Definition Equity Securities Without Readily Determinable Fair Value, Cost No definition available.
|
X | ||||||||||
- Definition Non-marketable Equity Securities No definition available.
|
X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI) and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Amount of cumulative loss from downward price adjustment on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- References No definition available.
|