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Income Taxes, Components of Deferred Income Tax (Details) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred tax assets |  |
Net operating loss ("NOL") carryforwards | $ 88 | $ 79
Stock-based compensation | 26 | 24
Compensation and benefits - other | 21 | 20
Deferred rent | 21 | 19
Other | 56 | 79
Total deferred tax assets | 212 | 221
Less valuation allowance | (65) | (55)
Net deferred tax assets | 147 | 166
Deferred tax liabilities |  |
Property, plant and equipment | 473 | 517
Licenses/intangibles | 326 | 306
Partnership investments | 173 | 162
Total deferred tax liabilities | 972 | 985
Net deferred income tax liability | 825 | 819
Deferred income tax liability, net |  |
Deferred tax liabilities |  |
Net deferred income tax liability | 826 | 821
Other assets and deferred charges |  |
Deferred tax liabilities |  |
Net deferred income tax liability | $ (1) | $ (2)

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