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Acquisitions and Dispositions (Tables) | 3 Months Ended
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Mar. 31, 2017
Business Combinations [Abstract] |
Schedule of assets acquired and liabilities assumed | The following table reflects the preliminary fair value determination (in millions):
Identifiable assets acquired and liabilities assumed: |  | Estimated Useful Lives (Years) |  | Recognized amount
Property and equipment |  | 3 - 70 |  | $ | 299 |
Intangible assets |  | 20 |  | 641 |
Goodwill |  | N/A |  | 278 |
Other (including $4 million of cash acquired) |  | N/A |  | (1 | )
|  |  |  | $ | 1,217 |
Schedule of finite lived intangible assets amortization expense | Amortization was approximately $1 million for the period ended March 31, 2017, and the future amortization is estimated as follows for the next five years (in millions):
Remainder of 2017 |  | $ | 9 |
2018 |  | $ | 25 |
2019 |  | $ | 34 |
2020 |  | $ | 42 |
2021 |  | $ | 48 |

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- Definition Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References No definition available. + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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