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Other Financial Data | 3 Months Ended
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Mar. 31, 2016
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, |
| 2016 |  | 2015 |
Foreign currency remeasurement (loss) gain | (17 | ) |  | 24 |  |
Gain on disposal of business | 35 |  |  | 19 |  |
Equity earnings | 2 |  |  | 2 |  |
Income (loss) on financial instruments | (2 | ) |  | (3 | ) |
Total | $ | 18 |  |  | $ | 42 |  |
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, |
| 2016 |  | 2015 |
Balance at beginning of period | $ | 58 |  |  | $ | 74 |  |
Provision charged to Other general expenses | 6 |  |  | 8 |  |
Accounts written off, net of recoveries | (2 | ) |  | (9 | ) |
Foreign currency translation | — |  |  | (3 | ) |
Balance at end of period | $ | 62 |  |  | $ | 70 |  |
Other Current Assets The components of Other current assets are as follows (in millions):
| March 31, 2016 |  | December 31, 2015
Taxes receivable | $ | 122 |  |  | $ | 94 |
Deferred tax assets | 232 |  |  | 232 |
Prepaid expenses | 168 |  |  | 130 |
Deferred project costs | 92 |  |  | 92 |
Other | 8 |  |  | 14 |
Total | $ | 622 |  |  | $ | 562 |
Other Non-Current Assets The components of Other non-current assets are as follows (in millions):
| March 31, 2016 |  | December 31, 2015
Deferred project costs | $ | 205 |  |  | $ | 210 |
Investments | 131 |  |  | 135 |
Taxes receivable | 81 |  |  | 82 |
Other | 162 |  |  | 165 |
Total | $ | 579 |  |  | $ | 592 |
Other Current Liabilities The components of Other current liabilities are as follows (in millions):
| March 31, 2016 |  | December 31, 2015
Deferred revenue | $ | 438 |  |  | $ | 394 |
Taxes payable | 61 |  |  | 94 |
Deferred tax liabilities | 1 |  |  | 1 |
Other | 402 |  |  | 331 |
Total | $ | 902 |  |  | $ | 820 |
Other Non-Current Liabilities The components of Other non-current liabilities are as follows (in millions):
| March 31, 2016 |  | December 31, 2015
Taxes payable | 251 |  |  | 223 |
Deferred revenue | 165 |  |  | 159 |
Leases | 168 |  |  | 166 |
Compensation and benefits | 56 |  |  | 59 |
Other | 198 |  |  | 162 |
Total | $ | 838 |  |  | $ | 769 |

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