XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earnings per share (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share, Basic And Diluted |
| Three Months Ended |  |  | Nine Months Ended |
| September 30 |  |  | September 30 |
(in millions of U.S. dollars, except share and per share data) | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | 1,231 |  |  | $ | (70 | ) |  | $ | 3,607 |  |  | $ | 2,328 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per share: |  |  |  |  |  |  |
Weighted-average shares outstanding | 462,981,973 |  |  | 466,370,784 |  |  | 464,644,013 |  |  | 467,658,334 |
Denominator for diluted earnings per share: |  |  |  |  |  |  |
Share-based compensation plans | 3,034,525 |  |  | — |  |  | 3,360,511 |  |  | 3,961,572 |
Weighted-average shares outstanding and assumed conversions | 466,016,498 |  |  | 466,370,784 |  |  | 468,004,524 |  |  | 471,619,906 |
Basic earnings (loss) per share | $ | 2.66 |  |  | $ | (0.15 | ) |  | $ | 7.76 |  |  | $ | 4.98 |
Diluted earnings (loss) per share | $ | 2.64 |  |  | $ | (0.15 | ) |  | $ | 7.71 |  |  | $ | 4.94 |
Potential anti-dilutive share conversions | 3,763,844 |  |  | 2,045,829 |  |  | 3,467,000 |  |  | 1,673,777 |

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

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration