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Consolidated income statement (parenthetical) - shares shares in Millions	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2018
Profit or loss [abstract]
Weighted average number of shares outstanding (in shares)	489.0	[1]	488.2	488.2	[1]
[1] For periods prior to the Spin-off, the denominator for basic and diluted (loss) per share was calculated using 488.2 million shares of common stock distributed in the Spin-off.

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- References

No definition available.

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- Definition

The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2020-01-01
-Paragraph 70
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2020-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2020-01-01

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