v2.4.0.8

Financial Instruments (Tables) | 6 Months Ended
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Jun. 30, 2014
Financial Instruments |
Carrying amounts and fair values of the financial instruments | The carrying amounts and fair values of our financial instruments were as follows (in millions):
|  | June 30, 2014 |  | December 31, 2013 |
|  | Carrying amount |  | Fair value |  | Carrying amount |  | Fair value |
Cash and cash equivalents |  | $ | 2,117 |  | $ | 2,117 |  | $ | 3,243 |  | $ | 3,243 |
Notes and other loans receivable |  | 15 |  | 15 |  | 101 |  | 101 |
Restricted cash investments |  | 526 |  | 550 |  | 621 |  | 649 |
Long-term debt, including current maturities |  | 10,457 |  | 11,682 |  | 10,702 |  | 11,784 |
Derivative instruments, assets |  | 6 |  | 6 |  | — |  | — |

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