Marketable Securities (Tables)
|
6 Months Ended |
Jun. 30, 2015 |
|---|
| Marketable Securities [Abstract] |
|
| Available-for-sale Securities [Table Text Block] |
The following table summarizes the fair value of marketable securities which approximates cost (dollars in millions): | | | | | | | | | | | | Fair Value Level | | June 30, 2015 | | December 31, 2014 | Cash and cash equivalents | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 348 |
| | $ | 1,600 |
| Sovereign debt | 2 | | 3,371 |
| | 774 |
| Money market funds | 1 | | 1,540 |
| | 2,480 |
| Corporate debt | 2 | | 5,129 |
| | 6,036 |
| Total available-for-sale securities | | | 10,388 |
| | 10,890 |
| Trading securities – sovereign and corporate debt | 2 | | 97 |
| | 431 |
| Total marketable securities classified as cash equivalents | | | 10,485 |
| | 11,321 |
| Cash, cash equivalents and time deposits | | | 7,142 |
| | 7,633 |
| Total cash and cash equivalents | | | $ | 17,627 |
| | $ | 18,954 |
| Marketable securities | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 3,874 |
| | $ | 5,957 |
| Corporate debt | 2 | | 2,223 |
| | 1,998 |
| Total available-for-sale securities | | | 6,097 |
| | 7,955 |
| Trading securities – sovereign debt | 2 | | 1,103 |
| | 1,267 |
| Total marketable securities | | | $ | 7,200 |
| | $ | 9,222 |
| Restricted cash and marketable securities | | | | | | Available-for-sale securities, primarily money market funds | 1 | | $ | 1,308 |
| | $ | 1,427 |
| Restricted cash, cash equivalents and time deposits | | | 757 |
| | 846 |
| Total restricted cash and marketable securities | | | $ | 2,065 |
| | $ | 2,273 |
| | | | | | | Available-for-sale securities included above with contractual maturities | | | | | | Due in one year or less | | | $ | 12,947 |
| | | Due between one year and five years | | | 2,024 |
| | | Total available-for-sale securities with contractual maturities | | | $ | 14,971 |
| | |
|
| Trading Securities [Table Text Block] |
The following table summarizes the fair value of marketable securities which approximates cost (dollars in millions): | | | | | | | | | | | | Fair Value Level | | June 30, 2015 | | December 31, 2014 | Cash and cash equivalents | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 348 |
| | $ | 1,600 |
| Sovereign debt | 2 | | 3,371 |
| | 774 |
| Money market funds | 1 | | 1,540 |
| | 2,480 |
| Corporate debt | 2 | | 5,129 |
| | 6,036 |
| Total available-for-sale securities | | | 10,388 |
| | 10,890 |
| Trading securities – sovereign and corporate debt | 2 | | 97 |
| | 431 |
| Total marketable securities classified as cash equivalents | | | 10,485 |
| | 11,321 |
| Cash, cash equivalents and time deposits | | | 7,142 |
| | 7,633 |
| Total cash and cash equivalents | | | $ | 17,627 |
| | $ | 18,954 |
| Marketable securities | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 3,874 |
| | $ | 5,957 |
| Corporate debt | 2 | | 2,223 |
| | 1,998 |
| Total available-for-sale securities | | | 6,097 |
| | 7,955 |
| Trading securities – sovereign debt | 2 | | 1,103 |
| | 1,267 |
| Total marketable securities | | | $ | 7,200 |
| | $ | 9,222 |
| Restricted cash and marketable securities | | | | | | Available-for-sale securities, primarily money market funds | 1 | | $ | 1,308 |
| | $ | 1,427 |
| Restricted cash, cash equivalents and time deposits | | | 757 |
| | 846 |
| Total restricted cash and marketable securities | | | $ | 2,065 |
| | $ | 2,273 |
| | | | | | | Available-for-sale securities included above with contractual maturities | | | | | | Due in one year or less | | | $ | 12,947 |
| | | Due between one year and five years | | | 2,024 |
| | | Total available-for-sale securities with contractual maturities | | | $ | 14,971 |
| | |
|
| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
The following table summarizes the fair value of marketable securities which approximates cost (dollars in millions): | | | | | | | | | | | | Fair Value Level | | June 30, 2015 | | December 31, 2014 | Cash and cash equivalents | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 348 |
| | $ | 1,600 |
| Sovereign debt | 2 | | 3,371 |
| | 774 |
| Money market funds | 1 | | 1,540 |
| | 2,480 |
| Corporate debt | 2 | | 5,129 |
| | 6,036 |
| Total available-for-sale securities | | | 10,388 |
| | 10,890 |
| Trading securities – sovereign and corporate debt | 2 | | 97 |
| | 431 |
| Total marketable securities classified as cash equivalents | | | 10,485 |
| | 11,321 |
| Cash, cash equivalents and time deposits | | | 7,142 |
| | 7,633 |
| Total cash and cash equivalents | | | $ | 17,627 |
| | $ | 18,954 |
| Marketable securities | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 3,874 |
| | $ | 5,957 |
| Corporate debt | 2 | | 2,223 |
| | 1,998 |
| Total available-for-sale securities | | | 6,097 |
| | 7,955 |
| Trading securities – sovereign debt | 2 | | 1,103 |
| | 1,267 |
| Total marketable securities | | | $ | 7,200 |
| | $ | 9,222 |
| Restricted cash and marketable securities | | | | | | Available-for-sale securities, primarily money market funds | 1 | | $ | 1,308 |
| | $ | 1,427 |
| Restricted cash, cash equivalents and time deposits | | | 757 |
| | 846 |
| Total restricted cash and marketable securities | | | $ | 2,065 |
| | $ | 2,273 |
| | | | | | | Available-for-sale securities included above with contractual maturities | | | | | | Due in one year or less | | | $ | 12,947 |
| | | Due between one year and five years | | | 2,024 |
| | | Total available-for-sale securities with contractual maturities | | | $ | 14,971 |
| | |
|
| Investments Classified by Contractual Maturity Date [Table Text Block] |
The following table summarizes the fair value of marketable securities which approximates cost (dollars in millions): | | | | | | | | | | | | Fair Value Level | | June 30, 2015 | | December 31, 2014 | Cash and cash equivalents | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 348 |
| | $ | 1,600 |
| Sovereign debt | 2 | | 3,371 |
| | 774 |
| Money market funds | 1 | | 1,540 |
| | 2,480 |
| Corporate debt | 2 | | 5,129 |
| | 6,036 |
| Total available-for-sale securities | | | 10,388 |
| | 10,890 |
| Trading securities – sovereign and corporate debt | 2 | | 97 |
| | 431 |
| Total marketable securities classified as cash equivalents | | | 10,485 |
| | 11,321 |
| Cash, cash equivalents and time deposits | | | 7,142 |
| | 7,633 |
| Total cash and cash equivalents | | | $ | 17,627 |
| | $ | 18,954 |
| Marketable securities | | | | | | Available-for-sale securities | | | | | | U.S. government and agencies | 2 | | $ | 3,874 |
| | $ | 5,957 |
| Corporate debt | 2 | | 2,223 |
| | 1,998 |
| Total available-for-sale securities | | | 6,097 |
| | 7,955 |
| Trading securities – sovereign debt | 2 | | 1,103 |
| | 1,267 |
| Total marketable securities | | | $ | 7,200 |
| | $ | 9,222 |
| Restricted cash and marketable securities | | | | | | Available-for-sale securities, primarily money market funds | 1 | | $ | 1,308 |
| | $ | 1,427 |
| Restricted cash, cash equivalents and time deposits | | | 757 |
| | 846 |
| Total restricted cash and marketable securities | | | $ | 2,065 |
| | $ | 2,273 |
| | | | | | | Available-for-sale securities included above with contractual maturities | | | | | | Due in one year or less | | | $ | 12,947 |
| | | Due between one year and five years | | | 2,024 |
| | | Total available-for-sale securities with contractual maturities | | | $ | 14,971 |
| | |
|