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CONSOLIDATED INCOME STATEMENTS (parenthetical) - shares
shares in Millions
12 Months Ended 24 Months Ended
Dec. 31, 2019
Dec. 31, 2017
Dec. 31, 2018
Profit or loss [abstract]      
Weighted average number of shares outstanding (in shares) [1] 488.2 488.2 488.2
[1]
For periods prior to the Spin-off, the denominator for basic and diluted earnings per share was calculated using 488.2 million shares of common stock distributed in the Spin-off.