XML 75 R64.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Shareholders' equity Dividends Declared (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 $ / shares | Sep. 30, 2018 SFr / shares | Sep. 30, 2017 $ / shares | Sep. 30, 2017 SFr / shares | Sep. 30, 2018 $ / shares | Sep. 30, 2018 SFr / shares | Sep. 30, 2017 $ / shares | Sep. 30, 2017 SFr / shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | (per share) | $ 0.73 | SFr 0.72 | $ 0.71 | SFr 0.68 | $ 2.17 | SFr 2.11 | $ 2.11 | SFr 2.06

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration