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v3.10.0.1

Subsequent Events (Details) € in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 31, 2018 USD ($) | Oct. 31, 2018 EUR (€) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Dec. 31, 2017 | Oct. 18, 2018 € / $ | Sep. 13, 2018 kr / $
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |
Reduction of revenue |  |  |  | $ (964) | $ (965) | $ (3,141) | $ (2,929) |  |  |
Proceeds from sale of noncontrolling interests |  |  |  |  |  | $ 286 | $ 0 |  |  |
SEK exchange rate | kr / $ |  |  |  |  |  |  |  |  |  | 8.96
Subsequent Event |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |
SEK exchange rate | € / $ |  |  |  |  |  |  |  |  | 0.87 |
LCH |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  | 5.00% |  | 5.00% |  |
LCH | Subsequent Event |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership percentage | 5.00% | 5.00% |  |  |  |  |  |  |  |
Proceeds from sale of noncontrolling interests | $ 171 | € 148 |  |  |  |  |  |  |  |
Restatement Adjustment | Scenario, Forecast |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |
Reduction of revenue |  |  | $ 1 |  |  |  |  |  |  |

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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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