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Quarterly report pursuant to Section 13 or 15(d)

Investments in Debt and Equity Securities - Summary (Details)

v3.19.1
Investments in Debt and Equity Securities - Summary (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Investments in Debt and Equity Securities Ìý Ìý
Consolidated Ïã½¶´«Ã½ $ 787 $ 1,278
Ïã½¶´«Ã½ Sirius XM Group Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Debt securities 456 967
Consolidated Ïã½¶´«Ã½ 456 Ìý
Ïã½¶´«Ã½ Sirius XM Group | Pandora | Debt Securities Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Debt securities Ìý 523
Ïã½¶´«Ã½ Sirius XM Group | iHeart | Debt Securities Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Debt securities 456 444
Braves Group Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Other equity securities 8 8
Consolidated Ïã½¶´«Ã½ 8 Ìý
Braves Group | Other Equity Securities | Equity Securities Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Other equity securities 8 8
Formula One Group Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Other equity securities 323 303
Consolidated Ïã½¶´«Ã½ 323 Ìý
Formula One Group | AT&T | Equity Securities Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Equity securities 192 174
Formula One Group | Other Equity Securities | Equity Securities Ìý Ìý
Investments in Debt and Equity Securities Ìý Ìý
Other equity securities $ 131 $ 129