Significant components of Time Warner's net deferred tax liabilities are as follows (millions): | | | December 31, | | | | 2013 | | 2012 | | Deferred tax assets: | | | | | | | Tax attribute carryforwards(a) | | $ | 1,074 | | $ | 835 | | Receivable allowances and return reserves | | | 239 | | | 244 | | Royalties, participations and residuals | | | 453 | | | 474 | | Investments | | | 181 | | | 170 | | Equity-based compensation | | | 243 | | | 280 | | Amortization and depreciation | | | - | | | 373 | | Other | | | 750 | | | 1,087 | | Valuation allowances(a) | | | (564) | | | (560) | | Total deferred tax assets | | $ | 2,376 | | $ | 2,903 | | | | | | | | | | Deferred tax liabilities: | | | | | | | | Amortization and depreciation | | $ | 45 | | $ | - | | Assets acquired in business combinations | | | 3,350 | | | 3,521 | | Unbilled television receivables | | | 941 | | | 915 | | Unremitted earnings of foreign subsidiaries | | | 235 | | | 120 | | Total deferred tax liabilities | | | 4,571 | | | 4,556 | | Net deferred tax liability | | $ | 2,195 | | $ | 1,653 | | _____________ | | | | | | |
(a) The Company has recorded valuation allowances for certain tax attribute carryforwards and other deferred tax assets due to uncertainty that exists regarding future realizability. The tax attribute carryforwards consist of $610 million of tax credits, $186 million of capital losses and $278 million of net operating losses that expire in varying amounts from 2014 through 2033. If, in the future, the Company believes that it is more likely than not that these deferred tax benefits will be realized, the majority of the valuation allowances will be recognized in the Consolidated Statement of Operations. |