Earnings (loss) per share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings (loss) per share

Schedule of earnings (loss) per share

The computations of basic and diluted earnings (loss) per share were as follows (in millions, except per share data):

	Three months ended								Nine months ended
	September 30,								September 30,
	2021				2020				2021				2020
	Basic		Diluted		Basic		Diluted		Basic		Diluted		Basic		Diluted
Numerator for earnings (loss) per share
Net income (loss) attributable to controlling interest	$	(130)	$	(130)	$	359	$	359	$	(332)	$	(332)	$	(530)	$	(530)
Effect of interest expense on convertible debt instruments		—		—		—		1		—		—		—		—
Earnings (loss) for per share calculation	$	(130)	$	(130)	$	359	$	360	$	(332)	$	(332)	$	(530)	$	(530)
Denominator for earnings (loss) per share
Weighted-average shares outstanding		651		651		615		615		629		629		614		614
Effect of share-based awards		2		2		1		3		1		1		1		1
Effect of convertible debt instruments		—		—		—		84		—		—		—		—
Weighted-average shares for per share calculation		653		653		616		702		630		630		615		615
Earnings (loss) per share	$	(0.20)	$	(0.20)	$	0.58	$	0.51	$	(0.53)	$	(0.53)	$	(0.86)	$	(0.86)