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Consolidated Income Statement (unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Net loss (income) attributable to noncontrolling interests $ 18 $ (9) $ (10)
Investment Management      
Net loss (income) attributable to noncontrolling interests $ 18 $ (9) $ (10)