XML 217 R125.htm IDEA: XBRL DOCUMENT v3.8.0.1
Financial structure and financial costs - Impact on statement of income, Impact of hedging strategies (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Financial structure, financial costs and financial instruments      
Loans and receivables $ 53 $ 82 $ 121
Financing liabilities and associated hedging instruments (1,395) (1,111) (965)
Fair value hedge (ineffective portion) (1) 3 (1)
Assets and liabilities held for trading (191) (78) (28)
Cost of net debt (Note 15) (1,534) (1,104) (873)
Impact of the hedging strategies      
Revaluation at market value of bonds (2,519) 693 2,133
Swap hedging of bonds 2,518 (690) (2,134)
Ineffective portion of the fair value hedge (1) 3 (1)
Net investment hedge      
Balance as of the beginning of the period (658) (674) (511)
Variations (104) 16 (163)
Balance as of the end of the period (762) (658) (674)
Cash flow hedge      
Ineffective portion of the cash flow hedges 0 0 0
Hedging instruments of non-current financial debt      
Cash flow hedge      
Profit (Loss) recorded in equity during the period 253 308 (185)
Recycled amount from equity to the income statement during the period $ 266 $ (52) $ (205)