星空传媒 Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

v3.20.2

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Dec. 31, 2020	Sep. 30, 2020
Business Acquisition [Line Items]	听	听
Common shares, par value	听	$ 0.125
Forecast [Member] \| ArcelorMittal USA [Member]	听	听
Business Acquisition [Line Items]	听	听
Business Combination, Consideration Transferred	$ 1,400	听
Payments to Acquire Businesses, Gross	$ 505	听
Forecast [Member] \| ArcelorMittal USA [Member] \| Common Stock [Member]	听	听
Business Acquisition [Line Items]	听	听
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	78,186,671	听
Forecast [Member] \| ArcelorMittal USA [Member] \| Series B Participating Redeemable Preferred Stock [Member]	听	听
Business Acquisition [Line Items]	听	听
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	583,273	听

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Number of shares of equity interests issued or issuable to acquire entity.

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