XML 80 R68.htm IDEA: XBRL DOCUMENT
v3.20.4

Common shares (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Equity [Abstract] |
Change in common shares | Changes in common shares for the periods presented in this report were as follows:
| Issued and fully paid share capital $0.10 par value each |  |  |  |
| Shares |  | $ millions |  |  |  |  |  |  |  |
December 31, 2018 | 100,000,000 |  |  | 10 |  |  |  |  |  |  |  |  |
RSU share issuance | 234,973 |  |  | — |  |  |  |  |  |  |  |  |
December 31, 2019 | 100,234,973 |  |  | 10 |  |  |  |  |  |  |  |  |
RSU share issuance | 149,462 |  |  | — |  |  |  |  |  |  |  |  |
December 31, 2020 | 100,384,435 |  |  | 10 |  |  |  |  |  |  |  |

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

X
- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration