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Condensed consolidated statements of cash flows - additional details (Tables) | 6 Months Ended
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Jun. 30, 2021
Cash Flow Statement [Abstract] |
Depreciation, amortization, impairments and fair value adjustments |
|  | Six months ended June 30
($ millions) |  | 2021 |  | 2020
Property, plant & equipment |  | 160 |  |  | 142 |
Right-of-use assets |  | 42 |  |  | 38 |
Intangible assets |  | 328 |  |  | 602 |
Financial assets |  | 1 |  |  | (3) |
Other non-current assets |  | (1) |  |  | — |
Total |  | 530 |  |  | 779 |
Change in net current assets and other operating cash flow items |
|  | Six months ended June 30
($ millions) |  | 2021 |  | 2020
(Increase) in inventories |  | (184) |  |  | (192) |
(Increase)/decrease in trade receivables |  | (117) |  |  | 185 |
Increase/(decrease) in trade payables |  | 23 |  |  | (71) |
Net change in other operating assets |  | 20 |  |  | 77 |
Net change in other operating liabilities |  | (18) |  |  | (152) |
Total |  | (276) |  |  | (153) |

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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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