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v3.19.2

Right-of-use assets and Lease liabilities - Maturity of Lease Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2019 | Jan. 01, 2019
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Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | $ 273 | $ 286
Less than one year [member] |  |
Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | 53 |
Between one and two years [member] |  |
Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | 37 |
Between two and three years [member] |  |
Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | 32 |
Between three and four years [member] |  |
Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | 26 |
Between four and five years [member] |  |
Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | 15 |
After five years [member] |  |
Disclosure of maturity analysis of lease payments [Line Items] |  |
Lease liabilities | $ 110 |

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- Definition [Line Items] for Disclosure of maturity analysis of lease payments [Table] + References No definition available. + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_47_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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