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STOCK PROGRAMS - Performance Share Units (Details) - Performance Share Units - Employee - $ / shares shares in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2019	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Vested (in shares)			0.3
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award
Common Stock issued (in shares)	0.4
Granted (in shares)		0.1
Weighted-average grant date fair value (in dollars per share)		$ 199.18

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
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-SubTopic 10
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-Paragraph 2
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Publisher FASB
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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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