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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) (parenthetical)
Dec. 31, 2018
USD ($)
Equity $ 22,639,000,000
Increase (decrease) due to application of IFRS 9 [Member]  
Equity 25,000,000
Increase (decrease) due to application of IFRS 15 [member]  
Equity $ 0