Period for creating allowance for doubtful accounts.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act.

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Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Millions		12 Months Ended
	Jan. 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 02, 2019
Advertising Expense		$ 2	$ 1	$ 2
Period for Creating Allowance for Doubtful Accounts		120 days
Accounts Receivable, Credit Loss Expense (Reversal)		$ 11	2	2
Asset Retirement Obligation, Ending Balance		2	1
Operating Lease, Right-of-Use Asset		50	0
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect		0
Operating Lease, Liability, Total		51
Retained Earnings [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect		5
AOCI Attributable to Parent [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect		$ (5)	$ 0	$ 0
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset	$ 21
Operating Lease, Liability, Total	21
Accounting Standards Update 2016-02 [Member] \| Raycom [Member]
Operating Lease, Right-of-Use Asset					$ 52
Operating Lease, Liability, Total					$ 52
Accounting Standards Update 2018-02 [Member] \| Retained Earnings [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	5
Accounting Standards Update 2018-02 [Member] \| AOCI Attributable to Parent [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	$ 5
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Automotive [Member]
Concentration Risk, Percentage			25.00%