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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Other Intangible Assets | Our other intangible assets as of December 31, 2016 and 2015 were comprised of the following (in millions):
|  | Customer and Supplier Relationships |  |  | Covenants Not-to- Compete |  |  | Licenses, Permits and Other |  |  | Total |
December 31, 2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ | 835 |  |  | $ | 59 |  |  | $ | 123 |  |  | $ | 1,017 |
Less accumulated amortization |  |  | (342 | ) |  |  | (31 | ) |  |  | (53 | ) |  |  | (426 | )
|  | $ | 493 |  |  | $ | 28 |  |  | $ | 70 |  |  | $ | 591 |
December 31, 2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ | 658 |  |  | $ | 51 |  |  | $ | 119 |  |  | $ | 828 |
Less accumulated amortization |  |  | (270 | ) |  |  | (35 | ) |  |  | (46 | ) |  |  | (351 | )
|  | $ | 388 |  |  | $ | 16 |  |  | $ | 73 |  |  | $ | 477 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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