Loss Per Share

12 Months Ended

Dec. 31, 2021

Earnings (loss) per share

Earnings (loss) per share

Note 12—Loss Per Share

The computation of basic and diluted loss per share was as follows (in millions, except per share data):

	Years ended December 31,
	2021		2020		2019
Numerator for loss per share, basic and diluted
Net loss attributable to controlling interest	$	(592)	$	(567)	$	(1,255)
Denominator for loss per share, basic and diluted
Weighted-average shares outstanding		636		614		611
Effect of share-based awards		1		1		1
Weighted-average shares for per share calculation		637		615		612
Loss per share, basic and diluted	$	(0.93)	$	(0.92)	$	(2.05)

In the years ended December 31, 2021, 2020 and 2019, we excluded from the calculation 12.6 million, 10.8 million and 12.0 million share-based awards, respectively, since the effect would have been anti-dilutive.  In the years ended December 31, 2021, 2020 and 2019, we excluded from the calculation 104.4 million, 84.0 million and 84.0 million shares, respectively, issuable upon conversion of the 0.50% Exchangeable Senior Bonds, the 2.50% Senior Guaranteed Exchangeable Bonds and the 4.00% Senior Guaranteed Exchangeable Bonds since the effect would have been anti-dilutive.