Source
Comments
p. 50
Provisions for site restoration and other environmental liabilities= 916,000,000 CHF
1 CHF = 0.982773 USD (https://www.xe.com/currencyconverter/convert/?Amount=916000000&From=CHF&To=USD)
916,000,000 CHF= 900,220,267.05 USD
EDIT
p. 50
Provisions for site restoration and other environmental liabilities= 916,000,000 CHF
1 CHF= 1.01619
916,000,000(1.01619)= 930,830,040 USD