Supplemental Disclosures to Consolidated Statements of Cash Flows (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Acquisitions and other investments, net of cash acquired: | |||
| Intangibles not subject to amortization | $ 17 | $ 17 | |
| Intangibles subject to amortization | 25 | 12 | |
| Fair value of other assets acquired | 9 | 2 | |
| Net liabilities assumed | (8) | ||
| Deferred tax assets (liabilities) | (2) | ||
| Acquisitions and other investments, net of cash acquired | 43 | 29 | |
| Cash paid for interest | $ 13 | 10 | 7 |
| Cash paid for income taxes | $ 62 | $ 30 | $ 44 |
| X | ||||||||||
- Definition Represents the aggregate of deferred tax assets or liabilities assumed in business acquisitions during the period. No definition available.
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| X | ||||||||||
- Definition The amount of net liabilities assumed in a business acquisition. No definition available.
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| X | ||||||||||
- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights that are subject to amortization, excluding goodwill. No definition available.
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| X | ||||||||||
- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights not subject to amortization, excluding goodwill. No definition available.
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| X | ||||||||||
- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash paid for interest. Includes, but is not limited to, payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash outflow to acquire investments classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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