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Consolidated Statements of Changes in Equity
$ in Thousands, $ in Thousands
Capital stock
USD ($)
Capital stock
MXN ($)
Treasury Shares
USD ($)
Treasury Shares
MXN ($)
Contributions for future capital increases
MXN ($)
Legal reserve
USD ($)
Legal reserve
MXN ($)
Additional paid-in capital
USD ($)
Additional paid-in capital
MXN ($)
Accumulated Deficit
USD ($)
Accumulated Deficit
MXN ($)
Other comprehensive (loss) income
USD ($)
Other comprehensive (loss) income
MXN ($)
USD ($)
MXN ($)
Balance as of beginning of the year at Dec. 31, 2018   $ 2,973,559   $ (122,661) $ 1   $ 291,178   $ 1,837,073   $ (2,200,651)   $ (73,346)   $ 2,705,153
Treasury shares       (75,375)         56,483           (18,892)
Exercise of stock options (Note 18)       14,773                     14,773
Long-term incentive plan cost (Note 18)       13,549         (13,549)            
Net income (loss) for the period                     2,639,063       2,639,063
Other comprehensive income (loss) items                         189,586   189,586
Total comprehensive income (loss) for the year                     2,639,063   189,586   2,828,649
Balance as of end of the year at Dec. 31, 2019   2,973,559   (169,714) 1   291,178   1,880,007   438,412   116,240   5,529,683
Capital stock increase (Note 19)   452,847             2,819,985           3,272,832
Treasury shares       (94,564)         60,763           (33,801)
Long-term incentive plan cost (Note 18)       40,534         (40,534)            
Net income (loss) for the period                     (4,293,791)       (4,293,791)
Other comprehensive income (loss) items                         (1,678,738)   (1,678,738)
Total comprehensive income (loss) for the year                     (4,293,791)   (1,678,738)   (5,972,529)
Balance as of end of the year at Dec. 31, 2020   3,426,406   (223,744) 1   291,178   4,720,221   (3,855,379)   (1,562,498)   2,796,185
Treasury shares       (89,209)         (19,215)           (108,424)
Exercise of stock options (Note 18)       56,904                     56,904
Long-term incentive plan cost (Note 18)       46,666         (46,666)            
Net income (loss) for the period                     2,120,551     $ 103,022 2,120,551
Other comprehensive income (loss) items                         1,580,222 76,771 1,580,222
Total comprehensive income (loss) for the year                     2,120,551   1,580,222 179,793 3,700,773
Balance as of end of the year at Dec. 31, 2021 $ 166,464 $ 3,426,406 $ (10,172) $ (209,383) $ 1 $ 14,146 $ 291,178 $ 226,120 $ 4,654,340 $ (84,282) $ (1,734,828) $ 861 $ 17,724 $ 313,137 $ 6,445,438