Goodwill and Other Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Apr. 18, 2017 |
Jun. 30, 2017 |
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| Goodwill [Roll Forward] | Ìý | Ìý |
| Goodwill, Beginning Balance | Ìý | $ 14,345 |
| Acquisitions | Ìý | 4,053 |
| Goodwill, Ending Balance | Ìý | 18,398 |
| Business acquisition | Ìý | Ìý |
| Purchase Price | Ìý | 1,647 |
| SIRIUS XM | Ìý | Ìý |
| Goodwill [Roll Forward] | Ìý | Ìý |
| Goodwill, Beginning Balance | Ìý | 14,165 |
| Acquisitions | Ìý | 85 |
| Goodwill, Ending Balance | Ìý | 14,250 |
| Formula 1 | Ìý | Ìý |
| Goodwill [Roll Forward] | Ìý | Ìý |
| Acquisitions | Ìý | 3,968 |
| Goodwill, Ending Balance | Ìý | 3,968 |
| Corporate And Other | Ìý | Ìý |
| Goodwill [Roll Forward] | Ìý | Ìý |
| Goodwill, Beginning Balance | Ìý | 180 |
| Goodwill, Ending Balance | Ìý | $ 180 |
| Automatic Labs Inc. | Ìý | Ìý |
| Business acquisition | Ìý | Ìý |
| Purchase Price | $ 107 | Ìý |
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- References No definition available.
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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