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General General (Tables) | 9 Months Ended
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Sep. 30, 2019
Cash and Cash Equivalents [Abstract] |
Schedule of Cash and Cash Equivalents [Table Text Block] | The following table provides a reconciliation of cash and restricted cash reported within the Consolidated balance sheets that total to the amounts shown in the Consolidated statements of cash flows:
| September 30 |  |  | December 31 |
(in millions of U.S. dollars) | 2019 |  |  | 2018 |
Cash | $ | 1,478 |  |  | $ | 1,247 |
Restricted cash | 111 |  |  | 93 |
Total cash and restricted cash shown in the Consolidated statements of cash flows | $ | 1,589 |  |  | $ | 1,340 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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