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Other Financial Data | 3 Months Ended
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Mar. 31, 2015
Other Financial Data [Abstract] |
Other Financial Data | Other Financial Data Condensed Consolidated Statements of Income Information Other Income Other income consists of the following (in millions):
| Three months ended March 31,
| 2015 |  | 2014
Foreign currency remeasurement gain | $ | 24 |  |  | $ | 19 |
Gain on disposal of business | 19 |  |  | — |
Equity earnings | 2 |  |  | 5 |
Loss on investments | (2 | ) |  | (1 | )
Derivative loss | (1 | ) |  | (23 | )
Other | — |  |  | 1 |
Total | $ | 42 |  |  | $ | 1 |
Condensed Consolidated Statements of Financial Position Information Allowance for Doubtful Accounts An analysis of the allowance for doubtful accounts is as follows (in millions):
| Three months ended March 31,
| 2015 |  | 2014
Balance at beginning of period | $ | 74 |  |  | $ | 90 |
Provision charged to operations | 8 |  |  | 4 |
Accounts written off, net of recoveries | (9 | ) |  | (5 | )
Foreign currency translation | (3 | ) |  | — |
Balance at end of period | $ | 70 |  |  | $ | 89 |
Other Current Assets The components of Other current assets are as follows (in millions):
| March 31, 2015 |  | December 31, 2014
Taxes receivable | $ | 218 |  |  | $ | 99 |
Deferred tax assets | 206 |  |  | 212 |
Prepaid expenses | 158 |  |  | 164 |
Deferred project costs | 108 |  |  | 102 |
Other | 22 |  |  | 25 |
Total | $ | 712 |  |  | $ | 602 |
Other Non-Current Assets The components of Other non-current assets are as follows (in millions):
| March 31, 2015 |  | December 31, 2014
Prepaid pension | $ | 897 |  |  | $ | 933 |
Deferred project costs | 237 |  |  | 250 |
Deferred tax assets | 146 |  |  | 144 |
Investments | 143 |  |  | 143 |
Taxes receivable | 57 |  |  | 101 |
Other | 198 |  |  | 233 |
Total | $ | 1,678 |  |  | $ | 1,804 |
Other Current Liabilities The components of Other current liabilities are as follows (in millions):
| March 31, 2015 |  | December 31, 2014
Deferred revenue | $ | 410 |  |  | $ | 408 |
Taxes payable | 89 |  |  | 64 |
Deferred tax liabilities | 2 |  |  | 2 |
Other | 364 |  |  | 314 |
Total | $ | 865 |  |  | $ | 788 |
Other Non-Current Liabilities The components of Other non-current liabilities are as follows (in millions):
| March 31, 2015 |  | December 31, 2014
Deferred tax liabilities | $ | 307 |  |  | $ | 313 |
Taxes payable | 201 |  |  | 210 |
Deferred revenue | 186 |  |  | 167 |
Leases | 172 |  |  | 184 |
Compensation and benefits | 55 |  |  | 57 |
Other | 210 |  |  | 256 |
Total | $ | 1,131 |  |  | $ | 1,187 |

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- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
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