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Marketable Securities (Notes) | 6 Months Ended
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Jun. 30, 2016
Marketable Securities [Abstract] |
Marketable Securities [Text Block] | Marketable Securities The following table summarizes the fair value, which approximates cost, of cash equivalents and marketable securities:
| Fair Value Level |  | June 30, 2016 |  | December 31, 2015
Cash, cash equivalents and time deposits |  |  | $ | 9,088 |  |  | $ | 7,730 |
Available-for sale securities |  |  |  |  |
U.S. government and agencies | 2 |  | $ | 1,953 |  |  | $ | 5,329 |
Corporate debt | 2 |  | 5,999 |  |  | 6,267 |
Money market funds | 1 |  | 1,983 |  |  | 2,275 |
Sovereign debt | 2 |  | 4,097 |  |  | 1,219 |
Total available-for-sale securities |  |  | 14,032 |  |  | 15,090 |
Trading securities – sovereign debt | 2 |  | 50 |  |  | 581 |
Total marketable securities (including securities classified as cash equivalents) |  |  | $ | 14,082 |  |  | $ | 15,671 |
Restricted cash |  |  |  |  |
Cash, cash equivalents and time deposits |  |  | $ | 717 |  |  | $ | 833 |
Available-for-sale securities, primarily money market funds | 1 |  | 1,481 |  |  | 1,340 |
Total restricted cash |  |  | $ | 2,198 |  |  | $ | 2,173 |
Available-for-sale securities included above with contractual maturities |  |  |  |  |
Due in one year or less |  |  | $ | 10,146 |  |  |
Due between one and five years |  |  | 1,920 |  |  |
Total available-for-sale securities with contractual maturities |  |  | $ | 12,066 |  |  |
Marketable securities classified as cash equivalents totaled $9.8 billion and $7.5 billion at June 30, 2016 and December 31, 2015 and consisted of corporate debt, money market funds and sovereign debt. Sales proceeds from investments classified as available-for-sale and sold prior to maturity were $1.6 billion and $4.5 billion in the three months ended June 30, 2016 and 2015 and $4.2 billion and $5.9 billion in the six months ended June 30, 2016 and 2015. Net unrealized gains and losses on trading securities were insignificant in the three and six months ended June 30, 2016 and 2015.

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References No definition available. + Details
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- References No definition available. + Details
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