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Condensed consolidated statements of cash flows - additional details
 6 Months Ended
Jun. 30, 2021
Cash Flow Statement [Abstract]  
Condensed consolidated statements of cash flows - additional details Condensed consolidated statements of cash flows - additional details
The below tables provide additional detail supporting select line items in the Condensed Consolidated Statement of Cash Flows.
9.1     Depreciation, amortization, impairments and fair value adjustments
Six months ended June 30
($ millions)20212020
Property, plant & equipment160 142 
Right-of-use assets42 38 
Intangible assets328 602 
Financial assets1 (3)
Other non-current assets(1)— 
Total530 779 
9.2     Change in net current assets and other operating cash flow items
Six months ended June 30
($ millions)20212020
(Increase) in inventories(184)(192)
(Increase)/decrease in trade receivables(117)185 
Increase/(decrease) in trade payables23 (71)
Net change in other operating assets20 77 
Net change in other operating liabilities(18)(152)
Total(276)(153)