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Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Schedule of reconciliations of the numerators and denominators used in the computations of basic and diluted earnings per common share

Reconciliations of the numerators and denominators used in the computations of basic and diluted income per common share were as follows, in millions:


									Three Months Ended March 31,
															2021						2020
Numerator (basic and diluted):
Income from continuing operations															$	94					$	133
Less: Allocation to redeemable noncontrolling interest															6						—
Less: Allocation to unvested restricted stock awards															—						1
Income from continuing operations attributable to common shareholders															88						132

Income from discontinued operations, net															—						397
Less: Allocation to unvested restricted stock awards															—						3
Income from discontinued operations, net attributable to common shareholders															—						394

Net income attributable to common shareholders															$	88					$	526

Denominator:
Basic common shares (based upon weighted average)															256						273
Add: Stock option dilution															1						1
Diluted common shares															257						274