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Net Sales - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | $ 3,841 | $ 3,686 | $ 7,671 | $ 7,385
Tire unit sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 3,231 |  | 6,464 |
Other tire and related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 289 |  | 559 |
Retail services and service related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 172 |  | 346 |
Chemical |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 143 |  | 291 |
Other |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 6 |  | 11 |
Americas |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 2,018 | 2,029 | 3,947 | 3,987
Americas | Tire unit sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 1,568 |  | 3,074 |
Americas | Other tire and related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 159 |  | 294 |
Americas | Retail services and service related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 144 |  | 281 |
Americas | Chemical |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 143 |  | 291 |
Americas | Other |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 4 |  | 7 |
Europe, Middle East and Africa |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 1,260 | 1,114 | 2,590 | 2,353
Europe, Middle East and Africa | Tire unit sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 1,152 |  | 2,361 |
Europe, Middle East and Africa | Other tire and related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 98 |  | 203 |
Europe, Middle East and Africa | Retail services and service related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 9 |  | 24 |
Europe, Middle East and Africa | Chemical |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 0 |  | 0 |
Europe, Middle East and Africa | Other |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 1 |  | 2 |
Asia Pacific |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 563 | $ 543 | 1,134 | $ 1,045
Asia Pacific | Tire unit sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 511 |  | 1,029 |
Asia Pacific | Other tire and related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 32 |  | 62 |
Asia Pacific | Retail services and service related sales |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 19 |  | 41 |
Asia Pacific | Chemical |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | 0 |  | 0 |
Asia Pacific | Other |  |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |  |
Net Sales | $ 1 |  | $ 2 |

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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