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Note 11 - Goodwill and Intangible Assets - Changes in Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Goodwill |  |  | $ 1,446 |
Goodwill, Net additions |  |  | 2 |
Goodwill | $ 1,448 |  | 1,448 |
Broadcast licenses |  |  | 3,573 |
Broadcast licenses | 3,577 |  | 3,577 |
Definite lived intangible assets |  |  | 460 |
Definite lived intangible assets |  |  | 9 |
Amortization of Intangible Assets | (26) | $ (29) | (78) | $ (86)
Definite lived intangible assets | 391 |  | 391 |
Total intangible assets net of accumulated amortization |  |  | 5,479 |
Total intangible assets net of accumulated amortization, Net additions |  |  | 15 |
Total intangible assets net of accumulated amortization | 5,416 |  | 5,416 |
Broadcast Licenses [Member] |  |  |  |
Broadcast licenses |  |  | 3,573 |
Broadcast licenses, Net additions |  |  | 4 |
Broadcast licenses | $ 3,577 |  | $ 3,577 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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