Income Taxes - Deferred Taxes (Details) - USD ($) $ in Millions  | 
Dec. 31, 2023  | 
Dec. 31, 2022  | 
|---|---|---|
| Deferred tax assets: | ||
| Tax loss and tax credit carryforwards | $ 36 | $ 32 | 
| Accrued stock-based compensation | 15 | 16 | 
| Deferred revenue | 27 | 20 | 
| Operating lease liabilities | 28 | 31 | 
| Other accrued liabilities | 7 | 28 | 
| Other future deductible amounts | 35 | 41 | 
| Total deferred tax assets | 148 | 168 | 
| Less: valuation allowance | (1) | (1) | 
| Net deferred tax assets | 147 | 167 | 
| Deferred tax liabilities: | ||
| Investments | (1,871) | (1,688) | 
| Fixed assets | (196) | (201) | 
| Intangible assets | (262) | (276) | 
| Debt | (5) | (10) | 
| Operating lease ROU assets | (29) | (32) | 
| Total deferred tax liabilities | (2,363) | (2,207) | 
| Net deferred tax asset (liability) | $ (2,216) | $ (2,040) | 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease liabilities. No definition available. 
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- Definition Amount before allocation of valuation allowance of deferred tax assets attributable to deductible operating loss and tax credit carryforwards. No definition available. 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other future deductible amounts. No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from debt. No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from operating lease ROU Assets. No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- References No definition available. 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- References No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from long-lived assets other than property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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