星空传媒 Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Preliminary purchase price allocation (Details)

ACQUISITIONS - Preliminary purchase price allocation (Details) - USD ($) $ in Millions	10 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Mar. 13, 2020	Dec. 31, 2019
Business Acquisition [Line Items]	听	听	听	听
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Income Tax Receivable	$ 12	$ 12	$ 3	听
Goodwill	1,406	1,406	听	$ 2
ArcelorMittal USA [Member]	听	听	听	听
Business Acquisition [Line Items]	听	听	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	35	35	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	349	349	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	2,115	2,115	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	22	22	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	4,017	4,017	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	158	158	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	(758)	(758)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Employment Costs	(271)	(271)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, State and Local Taxes	(76)	(76)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Pension and OPEB Liabilities	(109)	(109)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	(322)	(322)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Pension and OPEB Liabilities	(3,195)	(3,195)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(598)	(598)	听	听
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	(13)	(13)	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	1,366	1,366	听	听
Goodwill	1,230	1,230	听	听
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest	2,596	2,596	听	听
AK Steel [Member]	听	听	听	听
Business Acquisition [Line Items]	听	听	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	39	39	38	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	664	664	666	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	1,320	1,320	1,563	听
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Income Tax Receivable	3	3	听	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	49	49	65	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	2,312	2,312	2,184	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Income Taxes	30	30	0	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	472	472	475	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	(644)	(644)	(636)	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Employment Costs	(93)	(93)	(94)	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, State and Local Taxes	(31)	(31)	(35)	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Pension and OPEB Liabilities	(78)	(78)	(75)	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	(196)	(196)	(201)	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	1,179	1,179	1,179	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Pension and OPEB Liabilities	(871)	(871)	(873)	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(435)	(435)	(507)	听
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	(1)	(1)	0	听
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	1,361	1,361	1,394	听
Goodwill	174	174	141	听
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest	1,535	1,535	$ 1,535	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash and Cash Equivalents	1	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable	(2)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory	(243)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Income Tax Receivables	0	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets	(16)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment	128	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes	30	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Assets	(3)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable	(8)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Employment Cost	1	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, State and Local Income Taxes	4	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Retirement Benefit Liabilities	(3)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Liabilities	5	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Long-term Debt	0	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Retirement Benefit Liabilities, Noncurrent	2	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Liabilities	72	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Noncontrlling Interest	(1)	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net Identifiable Assets	(33)	听	听	听
Goodwill, Purchase Accounting Adjustments	33	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred	$ 0	听	听	听
AK Steel [Member] \| Inventories [Member]	听	听	听	听
Business Acquisition [Line Items]	听	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory	听	243	听	听
AK Steel [Member] \| Cost of goods sold	听	听	听	听
Business Acquisition [Line Items]	听	听	听	听
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period	听	$ 8	听	听