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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($)
$ in Millions
Total
Common shares:
Other capital:
Retained earnings (accumulated deficit):
Accumulated other comprehensive loss:
Balance at beginning of period at Dec. 31, 2018   $ 933 $ 8,172 $ 1,093 $ (1,152)
Issued for exercise of stock options and vested restricted stock units   1 7    
Repurchases of common shares (Note 4)   (3) (57)    
Shared-based compensation     23    
Other transactions, net     (5)    
Net earnings (loss) $ (62)     (62)  
Dividends on common shares       (760)  
Adjustments related to accounting pronouncements and other       (7)  
Other comprehensive income 416       416
Balance at end of period at Sep. 30, 2019 $ 8,599 931 8,140 264 (736)
Dividends paid per common share $ 1.02        
Balance at beginning of period at Jun. 30, 2019   931 8,130 418 (755)
Issued for exercise of stock options and vested restricted stock units   0 3    
Repurchases of common shares (Note 4)   0 0    
Shared-based compensation     7    
Other transactions, net     0    
Net earnings (loss) $ 99     99  
Dividends on common shares       (253)  
Adjustments related to accounting pronouncements and other       0  
Other comprehensive income 19       19
Balance at end of period at Sep. 30, 2019 $ 8,599 931 8,140 264 (736)
Dividends paid per common share $ 0.34        
Balance at beginning of period at Dec. 31, 2019 $ 8,177 932 8,152 (3) (904)
Issued for exercise of stock options and vested restricted stock units   1 9    
Repurchases of common shares (Note 4)   0 0    
Shared-based compensation     22    
Other transactions, net     (5)    
Net earnings (loss) 505     505  
Dividends on common shares       (256)  
Adjustments related to accounting pronouncements and other       0  
Other comprehensive income 74       74
Balance at end of period at Sep. 30, 2020 $ 8,527 933 8,178 246 (830)
Dividends paid per common share $ 0.34        
Balance at beginning of period at Jun. 30, 2020   933 8,166 (37) (860)
Issued for exercise of stock options and vested restricted stock units   0 3    
Repurchases of common shares (Note 4)   0 0    
Shared-based compensation     7    
Other transactions, net     2    
Net earnings (loss) $ 283     283  
Dividends on common shares       0  
Adjustments related to accounting pronouncements and other       0  
Other comprehensive income 30       30
Balance at end of period at Sep. 30, 2020 $ 8,527 $ 933 $ 8,178 $ 246 $ (830)
Dividends paid per common share $ 0