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Net Income (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 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Numerator:        
Net loss attributable to Company $ (55) $ (244) $ (2,195) $ (5,710)
Denominator:        
Basic—weighted average common shares outstanding 385 382 384 382
Diluted outstanding shares 385 382 384 382
Basic $ (0.14) $ (0.64) $ (5.72) $ (14.95)
Diluted $ (0.14) (0.64) (5.72) (14.95)
Cash dividends per share   $ 0.05 $ 0.05 $ 0.15