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Condensed consolidated statements of cash flows - additional details (Tables) | 6 Months Ended
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Jun. 30, 2020
Cash Flow Statement [Abstract] |
Depreciation, amortization, impairments and fair value adjustments | Depreciation, amortization, impairments and fair value adjustments
|  | Six months ended June 30
($ millions) |  | 2020 |  |  | 2019 |
Property, plant & equipment |  | 142 |  |  | 129 |
Right-of-use assets |  | 38 |  |  | 29 |
Intangible assets |  | 602 |  |  | 536 |
Financial assets |  | (3 | ) |  | 15 |
Total |  | 779 |  |  | 709 |
Change in net current assets and other operating cash flow items | Change in net current assets and other operating cash flow items
|  | Six months ended June 30
($ millions) |  | 2020 |  |  | 2019 |
(Increase) in inventories |  | (192 | ) |  | (57 | )
Decrease/(increase) in trade receivables |  | 185 |  |  | (122 | )
Increase/(decrease) in trade payables |  | (71 | ) |  | 134 |
Net change in other current assets |  | 77 |  |  | (73 | )
Net change in other current liabilities |  | (152 | ) |  | (64 | )
Total |  | (153 | ) |  | (182 | )

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- Definition Cash Flow Statement [Abstract] + References No definition available. + Details
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- Definition Disclosure Of Detailed Information About Cash Flow Statement Line Items [Table Text Block] + References No definition available. + Details
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- Definition Disclosure Of Detailed Information Of Change In Net Current Assets And Other Operating Cash Flow Items [Table Text Block] + References No definition available. + Details
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