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Net Loss Attributable to Company Per Share - Computation of Weighted Average Basic and Diluted Shares Outstanding (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Numerator:    
Net loss attributable to Company $ (115) $ (2,047)
Denominator:    
Basic—weighted average common shares outstanding 385 383
Diluted outstanding shares 385 383
Basic $ (0.30) $ (5.34)
Diluted $ (0.30) (5.34)
Cash dividends per share   $ 0.05