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Goodwill and Other Intangible Assets (Goodwill Roll Forward) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Goodwill [Roll Forward] |  |  |
Goodwill | $ 3,912 | $ 3,912 | $ 3,896
Accumulated impairment losses | (2,755) | (2,755) | (2,438)
Net balance | 1,157 | 1,157 | 1,458
Goodwill impairment expense | 0 | (317) | (164)
Goodwill, Acquired During Period |  | 16 |
US |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill | 2,674 | 2,674 | 2,658
Accumulated impairment losses | (2,633) | (2,633) | (2,316)
Net balance | 41 | 41 | 342
Goodwill impairment expense |  | (317) |
Goodwill, Acquired During Period |  | 16 |
Andes |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill | 899 | 899 | 899
Accumulated impairment losses | 0 | 0 | 0
Net balance | 899 | 899 | 899
Goodwill impairment expense |  | 0 |
Goodwill, Acquired During Period |  | 0 |
MCAC |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill | 149 | 149 | 149
Accumulated impairment losses | 0 | 0 | 0
Net balance | 149 | 149 | 149
Goodwill impairment expense |  | 0 |
Goodwill, Acquired During Period |  | 0 |
Europe |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill | 122 | 122 | 122
Accumulated impairment losses | (122) | (122) | (122)
Net balance | 0 | 0 | 0
Goodwill impairment expense |  | 0 |
Goodwill, Acquired During Period |  | 0 |
Asia |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill | 68 | 68 | 68
Accumulated impairment losses | 0 | 0 | 0
Net balance | $ 68 | 68 | $ 68
Goodwill impairment expense |  | 0 |
Goodwill, Acquired During Period |  | $ 0 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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