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Accrued Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2014
Payables and Accruals [Abstract] |
Accrued Liabilities | Accrued liabilities consist of (in millions):
|  | September 30, 2014 |  |  | December 31, 2013 |
Accrued vendor costs |  | $ | 840 |  |  | $ | 531 |
Customer prepayments and billings |  |  | 765 |  |  |  | 673 |
Compensation |  |  | 503 |  |  |  | 516 |
Warranty |  |  | 267 |  |  |  | 228 |
Taxes (non-income) |  |  | 181 |  |  |  | 188 |
Insurance |  |  | 140 |  |  |  | 131 |
Fair value of derivative financial instruments |  |  | 140 |  |  |  | 31 |
Accrued commissions |  |  | 93 |  |  |  | 97 |
Interest |  |  | 30 |  |  |  | 11 |
Other |  |  | 351 |  |  |  | 357 |
Total |  | $ | 3,310 |  |  | $ | 2,763 |
Changes in Carrying Amount of Service and Product Warranties | The changes in the carrying amount of service and product warranties are as follows (in millions):
Balance at December 31, 2013 |  | $ | 228 |
Net provisions for warranties issued during the year |  |  | 87 |
Amounts incurred |  |  | (50 | )
Currency translation adjustments and other |  |  | 2 |
Balance at September 30, 2014 |  | $ | 267 |

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